diff --git a/advisories/github-reviewed/2026/02/GHSA-2g4f-4pwh-qvx6/GHSA-2g4f-4pwh-qvx6.json b/advisories/github-reviewed/2026/02/GHSA-2g4f-4pwh-qvx6/GHSA-2g4f-4pwh-qvx6.json index de94b1ac5c5f..aaac80950193 100644 --- a/advisories/github-reviewed/2026/02/GHSA-2g4f-4pwh-qvx6/GHSA-2g4f-4pwh-qvx6.json +++ b/advisories/github-reviewed/2026/02/GHSA-2g4f-4pwh-qvx6/GHSA-2g4f-4pwh-qvx6.json @@ -1,17 +1,17 @@ { "schema_version": "1.4.0", "id": "GHSA-2g4f-4pwh-qvx6", - "modified": "2026-02-17T18:10:29Z", + "modified": "2026-02-17T18:13:07Z", "published": "2026-02-11T21:30:39Z", "aliases": [ "CVE-2025-69873" ], - "summary": "ajv has ReDoS when using $data option", + "summary": "ajv has ReDoS when using `$data` option", "details": "ajv (Another JSON Schema Validator) through version 8.17.1 is vulnerable to Regular Expression Denial of Service (ReDoS) when the `$data` option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax (`$data` reference), which is passed directly to the JavaScript `RegExp()` constructor without validation. An attacker can inject a malicious regex pattern (e.g., `\\\"^(a|a)*$\\\"`) combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with `$data`: true for dynamic schema validation.", "severity": [ { "type": "CVSS_V4", - "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P" + "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" } ], "affected": [ @@ -25,7 +25,7 @@ "type": "ECOSYSTEM", "events": [ { - "introduced": "0" + "introduced": "7.0.0" }, { "fixed": "8.18.0" @@ -33,6 +33,25 @@ ] } ] + }, + { + "package": { + "ecosystem": "npm", + "name": "ajv" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "0" + }, + { + "fixed": "6.14.0" + } + ] + } + ] } ], "references": [ @@ -44,10 +63,18 @@ "type": "WEB", "url": "https://github.com/ajv-validator/ajv/pull/2586" }, + { + "type": "WEB", + "url": "https://github.com/ajv-validator/ajv/pull/2588" + }, { "type": "WEB", "url": "https://github.com/ajv-validator/ajv/commit/720a23fa453ffae8340e92c9b0fe886c54cfe0d5" }, + { + "type": "WEB", + "url": "https://github.com/ajv-validator/ajv/commit/b552ed66191eb338498df3196065c777e3bb71f2" + }, { "type": "WEB", "url": "https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69873-ajv-ReDoS.md" @@ -56,6 +83,10 @@ "type": "PACKAGE", "url": "https://github.com/ajv-validator/ajv" }, + { + "type": "WEB", + "url": "https://github.com/ajv-validator/ajv/releases/tag/v6.14.0" + }, { "type": "WEB", "url": "https://github.com/ajv-validator/ajv/releases/tag/v8.18.0"