{"items":[{"id":"NVI-00007765","kind":"vulnerability","title":"react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-g4f2-2pf3-2pwj","CVE-2026-104827"],"plain_summary":"GitHub lists this reviewed advisory for react/http. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1235357e1c4a44344aab7ebbf430a322"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.11.1 for react/http. Confirm the publisher’s latest guidance.","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-15T20:09:58.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f236688374b10ed95e7fa7c67c25a49"},{"kind":"CVSS","as_of":"2026-10-16T20:04:29.760Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-220c05dbfc06479da5b3da833056e6df"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.517%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44018. Missing scores are unknown.","source_id":"sr-1235357e1c4a44344aab7ebbf430a322"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4f236688374b10ed95e7fa7c67c25a49","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-104827","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.838Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4f236688374b10ed95e7fa7c67c25a49"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":[">= 1.0.0, <= 1.11.0"]},{"certainty":"source_listed","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 1.11.1"]}],"null_published_at":"2026-11-04T10:04:47.611Z","source_updated_at":"2026-10-15T20:09:58.000Z","source_disclosed_at":"2026-10-15T20:09:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:20.411Z"},{"id":"NVI-00007765","kind":"vulnerability","title":"react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-g4f2-2pf3-2pwj","CVE-2026-104827"],"plain_summary":"GitHub lists this reviewed advisory for react/http. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-15930eef8434bc3a8091b4ebbb22537a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.11.1 for react/http. Confirm the publisher’s latest guidance.","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-15T20:09:58.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f236688374b10ed95e7fa7c67c25a49"},{"kind":"CVSS","as_of":"2026-10-16T20:04:29.760Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-220c05dbfc06479da5b3da833056e6df"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.517%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44035. Missing scores are unknown.","source_id":"sr-15930eef8434bc3a8091b4ebbb22537a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4f236688374b10ed95e7fa7c67c25a49","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g4f2-2pf3-2pwj","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-e806d86ee14fd1fe658c5df425091a63","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g4f2-2pf3-2pwj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.411Z"},{"id":"sr-220c05dbfc06479da5b3da833056e6df","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104827","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-104827","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"},{"id":"sr-15930eef8434bc3a8091b4ebbb22537a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-104827","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4f236688374b10ed95e7fa7c67c25a49"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":[">= 1.0.0, <= 1.11.0"]},{"certainty":"source_listed","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 1.11.1"]}],"null_published_at":"2026-11-03T10:03:31.378Z","source_updated_at":"2026-10-15T20:09:58.000Z","source_disclosed_at":"2026-10-15T20:09:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.411Z"},{"id":"NVI-00007765","kind":"vulnerability","title":"react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g4f2-2pf3-2pwj","CVE-2026-104827"],"plain_summary":"GitHub lists this reviewed advisory for react/http. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-15930eef8434bc3a8091b4ebbb22537a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.11.1 for react/http. Confirm the publisher’s latest guidance.","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-15T20:09:58.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f236688374b10ed95e7fa7c67c25a49"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.517%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44035. Missing scores are unknown.","source_id":"sr-15930eef8434bc3a8091b4ebbb22537a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4f236688374b10ed95e7fa7c67c25a49","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":[">= 1.0.0, <= 1.11.0"]},{"certainty":"source_listed","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 1.11.1"]}],"null_published_at":"2026-11-01T01:03:56.613Z","source_updated_at":"2026-10-15T20:09:58.000Z","source_disclosed_at":"2026-10-15T20:09:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.411Z"},{"id":"NVI-00007765","kind":"vulnerability","title":"react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g4f2-2pf3-2pwj","CVE-2026-104827"],"plain_summary":"OSV carries this publisher advisory for react/http. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.11.1 for react/http. Confirm the publisher’s latest guidance.","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-15930eef8434bc3a8091b4ebbb22537a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.517%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44035. Missing scores are unknown.","source_id":"sr-15930eef8434bc3a8091b4ebbb22537a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-e806d86ee14fd1fe658c5df425091a63","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g4f2-2pf3-2pwj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.411Z"},{"id":"sr-15930eef8434bc3a8091b4ebbb22537a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-104827","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 1.11.1"]}],"null_published_at":"2026-10-31T22:27:06.722Z","source_updated_at":"2026-10-15T20:30:06.075Z","source_disclosed_at":"2026-10-15T20:09:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:20.411Z"},{"id":"NVI-00007765","kind":"vulnerability","title":"react/http: Unbounded HTTP Client Response Header Buffering Leads to Memory Exhaustion DoS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g4f2-2pf3-2pwj","CVE-2026-104827"],"plain_summary":"OSV carries this publisher advisory for react/http. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.11.1 for react/http. Confirm the publisher’s latest guidance.","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-e806d86ee14fd1fe658c5df425091a63","url":"https://github.com/advisories/GHSA-g4f2-2pf3-2pwj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g4f2-2pf3-2pwj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.411Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e806d86ee14fd1fe658c5df425091a63"],"technology":"react/http","known_exclusions":[],"conditions_summary":"### Summary\n\n`React\\Http\\Browser` and its lower-level HTTP stack impose no limit on the size of a response's header section while it is being received. `ClientRequestStream::handleData()` appends every incoming byte to an internal buffer and only scans that buffer for the `\\r\\n\\r\\n` (or `\\n\\n`) terminator, without ever checking its length. A remote server that withholds the terminator and keeps streaming can grow the client's memory without bound until PHP's `memory_limit` is exhausted and the process crashes.\n\nThis is an unauthenticated, network-reachable denial of service against any application that uses `react/http` as a client to fetch untrusted or attacker-influenced URLs, including via redirects.\n\n### Details\n\n`ClientRequestStream::handleData()` is bound directly to the underlying connection's `data` event, so every byte the peer sends is appended with no size check:\n\n```php\npublic function handleData($data)\n{\n    $this->buffer .= $data;\n\n    // buffer until double CRLF (or double LF for compatibility with legacy servers)\n    $eom = \\strpos($this->buffer, \"\\r\\n\\r\\n\");\n    $eomLegacy = \\strpos($this->buffer, \"\\n\\n\");\n    if ($eom !== false || $eomLegacy !== false) {\n```\n\nThe ","public_affected_ranges":["ECOSYSTEM: introduced 1.0.0; fixed 1.11.1"]}],"null_published_at":"2026-10-31T22:13:18.634Z","source_updated_at":"2026-10-15T20:30:06.075Z","source_disclosed_at":"2026-10-15T20:09:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:20.411Z"}],"next_cursor":null,"snapshot_revision":"42594"}