{"items":[{"id":"NVI-00005805","kind":"vulnerability","title":"Slow String Operations via MultiPart Requests in Event-Driven Functions","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j4hq-f63x-f39r","CVE-2024-29186"],"plain_summary":"OSV carries this publisher advisory for bref/bref. 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 2.1.17 for bref/bref. Confirm the publisher’s latest guidance.","source_ids":["sr-9d34f8ba9d02b441f45953f5c29e5d27"],"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-5422a56c61932ba7cb971edde5f49e6b"],"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":"0.669%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51953. Missing scores are unknown.","source_id":"sr-5422a56c61932ba7cb971edde5f49e6b"}],"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-9d34f8ba9d02b441f45953f5c29e5d27","url":"https://github.com/advisories/GHSA-j4hq-f63x-f39r","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j4hq-f63x-f39r","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.436Z"},{"id":"sr-5422a56c61932ba7cb971edde5f49e6b","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-2024-29186","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9d34f8ba9d02b441f45953f5c29e5d27"],"technology":"bref/bref","known_exclusions":[],"conditions_summary":"## Impacted Resources\n\nbref/src/Event/Http/Psr7Bridge.php:94-125\nmultipart-parser/src/StreamedPart.php:383-418\n\n## Description\n\nWhen Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object.\nDuring the conversion process, if the request is a MultiPart, each part is parsed. In the parsing process, the `Content-Type` header of each part is read using the `Riverline/multipart-parser` library.\n\nThe library, in the `StreamedPart::parseHeaderContent` function, performs slow multi-byte string operations on the header value.\nPrecisely, the `mb_convert_encoding` function is used with the first (`$string`) and third (`$from_encoding`) parameters read from the header value.\n\n## Impact\n\nAn attacker could send specifically crafted requests which would force the server into performing long operations with a consequent long billed duration.\n\nThe attack has the following requirements and limitations:\n- The Lambda should use the Event-Driven Function runtime.\n- The Lambda should use the `Req","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.17"]}],"null_published_at":"2026-11-01T01:04:04.844Z","source_updated_at":"2026-09-10T03:50:10.683Z","source_disclosed_at":"2024-03-22T16:57:40.000Z","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":"2026-10-31T21:42:20.436Z"},{"id":"NVI-00005805","kind":"vulnerability","title":"Slow String Operations via MultiPart Requests in Event-Driven Functions","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j4hq-f63x-f39r","CVE-2024-29186"],"plain_summary":"OSV carries this publisher advisory for bref/bref. 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 2.1.17 for bref/bref. Confirm the publisher’s latest guidance.","source_ids":["sr-9d34f8ba9d02b441f45953f5c29e5d27"],"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-9d34f8ba9d02b441f45953f5c29e5d27","url":"https://github.com/advisories/GHSA-j4hq-f63x-f39r","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j4hq-f63x-f39r","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.436Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9d34f8ba9d02b441f45953f5c29e5d27"],"technology":"bref/bref","known_exclusions":[],"conditions_summary":"## Impacted Resources\n\nbref/src/Event/Http/Psr7Bridge.php:94-125\nmultipart-parser/src/StreamedPart.php:383-418\n\n## Description\n\nWhen Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object.\nDuring the conversion process, if the request is a MultiPart, each part is parsed. In the parsing process, the `Content-Type` header of each part is read using the `Riverline/multipart-parser` library.\n\nThe library, in the `StreamedPart::parseHeaderContent` function, performs slow multi-byte string operations on the header value.\nPrecisely, the `mb_convert_encoding` function is used with the first (`$string`) and third (`$from_encoding`) parameters read from the header value.\n\n## Impact\n\nAn attacker could send specifically crafted requests which would force the server into performing long operations with a consequent long billed duration.\n\nThe attack has the following requirements and limitations:\n- The Lambda should use the Event-Driven Function runtime.\n- The Lambda should use the `Req","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.17"]}],"null_published_at":"2026-10-31T22:13:05.839Z","source_updated_at":"2026-09-10T03:50:10.683Z","source_disclosed_at":"2024-03-22T16:57:40.000Z","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":"2026-10-31T21:42:20.436Z"}],"next_cursor":null,"snapshot_revision":"42594"}