{"id":"CVE-2021-27804","aliases":["EUVD-2021-14545","GHSA-6qm8-hwqx-wv6m"],"status":"published","title":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03989,"percentile":0.90596,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-03-02T00:30:58Z","modified":"2026-10-24T10:48:39Z","products":[{"vendor":"libjxl_project","product":"libjxl"}],"references":[{"url":"https://gitlab.com/wg1/jpeg-xl/-/tags","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/03/01/3","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Mar/2","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/161623/jpeg-xl-0.3.1-Memory-Corruption.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27804"},{"url":"https://github.com/advisories/GHSA-6qm8-hwqx-wv6m"}],"sources":{"cve":[{"id":"CVE-2021-27804","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","status":"published","published":"2021-03-02T00:30:58Z","modified":"2024-08-03T21:33:15.774Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14545","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","status":"published","published":"2021-03-02T00:30:58Z","modified":"2024-08-03T21:33:15Z","updated_at":"2026-11-03T03:24:48.366655Z"}],"ghsa":[{"id":"GHSA-6qm8-hwqx-wv6m","title":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","status":"published","published":"2022-05-24T17:43:29Z","modified":"2023-01-29T05:05:54Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:54.221809Z"}],"nvd":[{"id":"CVE-2021-27804","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","status":"published","published":"2021-03-02T01:15:12.853Z","modified":"2026-06-17T03:45:28.937Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"CVE-2021-27804","description":"JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.","status":"published","published":"2021-03-02T01:15:12.853Z","modified":"2026-10-24T10:48:39.287031353Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}