{"items":[{"id":"NVI-00009142","kind":"vulnerability","title":"zip: legacy Shrink/Reduce/Implode decoder: denial of service from attacker-controlled ZIP64 uncompressed size","revision":3,"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-9hj8-73fh-9963","CVE-2026-115907"],"plain_summary":"GitHub lists this reviewed advisory for zip. 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-291cd464da70990679dbfa7152a60fcd"],"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":"CVSS","as_of":"2026-10-29T16:40:21.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ca81a267e006e37e16a14f66f357eae7"},{"kind":"CVSS","as_of":"2026-10-30T15:16:45.727Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-0153e671b33dc29ba6b2d30b0b769c9e"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.350%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2873. Missing scores are unknown.","source_id":"sr-291cd464da70990679dbfa7152a60fcd"}],"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-ca81a267e006e37e16a14f66f357eae7","url":"https://github.com/advisories/GHSA-9hj8-73fh-9963","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9hj8-73fh-9963","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-0153e671b33dc29ba6b2d30b0b769c9e","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115907","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-115907","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"},{"id":"sr-291cd464da70990679dbfa7152a60fcd","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-2026-115907","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.776Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ca81a267e006e37e16a14f66f357eae7"],"technology":"zip","known_exclusions":[],"conditions_summary":"### Summary\n\nA malicious 149-byte ZIP archive can cause a denial of service in applications that enable `legacy-zip` and use `ZipArchive::extract()`. An attacker-controlled ZIP64 uncompressed size triggers a `capacity overflow` panic in the Shrink decoder in optimized builds, potentially terminating the affected process.\n\n### Details\n\nWhen reading a Shrink-compressed entry, `ShrinkDecoder::read()` buffers the compressed input and reserves output capacity using the entry's declared uncompressed size:\n\n```rust\nif !self.stream_read {\n    self.stream_read = true;\n    let mut compressed_bytes = Vec::new();\n    self.compressed_reader.read_to_end(&mut compressed_bytes)?;\n    self.stream.reserve(self.uncompressed_size as usize);\n    hwunshrink(\n        &compressed_bytes,\n        self.uncompressed_size as usize,\n        &mut self.stream,\n    )?;\n}\n```\n\nIn version 8.6.0, this is located in `src/legacy/shrink.rs`. The vulnerable legacy codecs are compiled when the `legacy-zip` Cargo feature is enabled.\n\n`self.uncompressed_size` is populated from ZIP metadata. For ZIP64 entries, an at","public_affected_ranges":[">= 5.1.0, < 9.0.0"]}],"null_published_at":"2026-11-08T19:53:33.622Z","source_updated_at":"2026-10-29T16:40:21.000Z","source_disclosed_at":"2026-10-29T16:40:19.000Z","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":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009142","kind":"vulnerability","title":"zip: legacy Shrink/Reduce/Implode decoder: denial of service from attacker-controlled ZIP64 uncompressed size","revision":2,"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-9hj8-73fh-9963","CVE-2026-115907"],"plain_summary":"GitHub lists this reviewed advisory for zip. 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-0153e671b33dc29ba6b2d30b0b769c9e"],"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":"CVSS","as_of":"2026-10-29T16:40:21.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ca81a267e006e37e16a14f66f357eae7"},{"kind":"CVSS","as_of":"2026-10-30T15:16:45.727Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-0153e671b33dc29ba6b2d30b0b769c9e"}],"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-ca81a267e006e37e16a14f66f357eae7","url":"https://github.com/advisories/GHSA-9hj8-73fh-9963","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9hj8-73fh-9963","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-0153e671b33dc29ba6b2d30b0b769c9e","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115907","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-115907","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ca81a267e006e37e16a14f66f357eae7"],"technology":"zip","known_exclusions":[],"conditions_summary":"### Summary\n\nA malicious 149-byte ZIP archive can cause a denial of service in applications that enable `legacy-zip` and use `ZipArchive::extract()`. An attacker-controlled ZIP64 uncompressed size triggers a `capacity overflow` panic in the Shrink decoder in optimized builds, potentially terminating the affected process.\n\n### Details\n\nWhen reading a Shrink-compressed entry, `ShrinkDecoder::read()` buffers the compressed input and reserves output capacity using the entry's declared uncompressed size:\n\n```rust\nif !self.stream_read {\n    self.stream_read = true;\n    let mut compressed_bytes = Vec::new();\n    self.compressed_reader.read_to_end(&mut compressed_bytes)?;\n    self.stream.reserve(self.uncompressed_size as usize);\n    hwunshrink(\n        &compressed_bytes,\n        self.uncompressed_size as usize,\n        &mut self.stream,\n    )?;\n}\n```\n\nIn version 8.6.0, this is located in `src/legacy/shrink.rs`. The vulnerable legacy codecs are compiled when the `legacy-zip` Cargo feature is enabled.\n\n`self.uncompressed_size` is populated from ZIP metadata. For ZIP64 entries, an at","public_affected_ranges":[">= 5.1.0, < 9.0.0"]}],"null_published_at":"2026-11-03T10:03:31.365Z","source_updated_at":"2026-10-29T16:40:21.000Z","source_disclosed_at":"2026-10-29T16:40:19.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009142","kind":"vulnerability","title":"zip: legacy Shrink/Reduce/Implode decoder: denial of service from attacker-controlled ZIP64 uncompressed size","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9hj8-73fh-9963","CVE-2026-115907"],"plain_summary":"GitHub lists this reviewed advisory for zip. 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-ca81a267e006e37e16a14f66f357eae7"],"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":"CVSS","as_of":"2026-10-29T16:40:21.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ca81a267e006e37e16a14f66f357eae7"}],"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-ca81a267e006e37e16a14f66f357eae7","url":"https://github.com/advisories/GHSA-9hj8-73fh-9963","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9hj8-73fh-9963","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ca81a267e006e37e16a14f66f357eae7"],"technology":"zip","known_exclusions":[],"conditions_summary":"### Summary\n\nA malicious 149-byte ZIP archive can cause a denial of service in applications that enable `legacy-zip` and use `ZipArchive::extract()`. An attacker-controlled ZIP64 uncompressed size triggers a `capacity overflow` panic in the Shrink decoder in optimized builds, potentially terminating the affected process.\n\n### Details\n\nWhen reading a Shrink-compressed entry, `ShrinkDecoder::read()` buffers the compressed input and reserves output capacity using the entry's declared uncompressed size:\n\n```rust\nif !self.stream_read {\n    self.stream_read = true;\n    let mut compressed_bytes = Vec::new();\n    self.compressed_reader.read_to_end(&mut compressed_bytes)?;\n    self.stream.reserve(self.uncompressed_size as usize);\n    hwunshrink(\n        &compressed_bytes,\n        self.uncompressed_size as usize,\n        &mut self.stream,\n    )?;\n}\n```\n\nIn version 8.6.0, this is located in `src/legacy/shrink.rs`. The vulnerable legacy codecs are compiled when the `legacy-zip` Cargo feature is enabled.\n\n`self.uncompressed_size` is populated from ZIP metadata. For ZIP64 entries, an at","public_affected_ranges":[">= 5.1.0, < 9.0.0"]}],"null_published_at":"2026-10-31T22:13:31.286Z","source_updated_at":"2026-10-29T16:40:21.000Z","source_disclosed_at":"2026-10-29T16:40:19.000Z","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":"2026-10-31T21:55:49.621Z"}],"next_cursor":null,"snapshot_revision":"42594"}