{"id":"CVE-2021-36691","aliases":["DEBIAN-CVE-2021-36691","EUVD-2021-23286","GHSA-fg2p-g438-rjr4","UBUNTU-CVE-2021-36691"],"status":"published","title":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase:...","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01071,"percentile":0.65305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-617"],"published":"2021-08-30T19:53:47Z","modified":"2026-10-23T18:03:16Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.3-1","0.10.3-2","0.10.3-3","0.10.3-4","0.10.3-5","0.10.4-1","0.10.4-2","0.11.1-1","0.11.1-2","0.11.1-3","0.11.1-4","0.11.1-5","0.11.1-6","0.11.2-0.1","0.11.2-0.1~deb13u1","0.11.2-0.1~deb13u2","0.11.2-0.1~deb13u3","0.11.2-1","0.11.2-2","0.11.2-3","0.11.2-3~exp1","0.11.2-4","0.11.2-5","0.11.2-5.1","0.7.0-10","0.7.0-10+deb12u1","0.7.0-10.1","0.7.0-10.2","0.8.0-1","0.8.0~git20221120.4167056-1","0.8.0~git20221123.8bf8deb-1","0.8.0~git20230102.26a5158-1","0.8.0~git20230118.bcacd51-1","0.8.0~git20230125.a67e970-1","0.8.1-1","0.8.1-2","0.8.2-1","0.8.2-2","0.8.2-3","0.8.2-4","0.9.0~git20230612.38b629f-1","0.9.0~git20230612.38b629f-2","0.9.0~git20230612.38b629f-3","0.9.0~git20230612.38b629f-4","0.9.0~git20230623.689da0f-1","0.9.0~git20230623.689da0f-2","0.9.0~git20230623.689da0f-3","0.9.0~git20230623.689da0f-4","0.9.2-1","0.9.2-10","0.9.2-2","0.9.2-3","0.9.2-4","0.9.2-5","0.9.2-6","0.9.2-7","0.9.2-8","0.9.2-9"]},{"source":"osv","ecosystem":"Debian:13","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.1-4","0.11.1-5","0.11.1-6","0.11.2-0.1","0.11.2-0.1~deb13u1","0.11.2-0.1~deb13u2","0.11.2-0.1~deb13u3","0.11.2-1","0.11.2-2","0.11.2-3","0.11.2-3~exp1","0.11.2-4","0.11.2-5","0.11.2-5.1"]},{"source":"osv","ecosystem":"Debian:14","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.1-4","0.11.1-5","0.11.1-6","0.11.2-0.1","0.11.2-0.1~deb13u1","0.11.2-0.1~deb13u2","0.11.2-0.1~deb13u3","0.11.2-1","0.11.2-2","0.11.2-3","0.11.2-3~exp1","0.11.2-4","0.11.2-5","0.11.2-5.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-10ubuntu2","0.7.0-10.2ubuntu1","0.7.0-10.2ubuntu4","0.7.0-10.2ubuntu5","0.7.0-10.2ubuntu6","0.7.0-10.2ubuntu6.1"]}],"products":[{"vendor":"libjxl_project","product":"libjxl"}],"references":[{"url":"https://github.com/libjxl/libjxl/issues/422","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36691"},{"url":"https://github.com/advisories/GHSA-fg2p-g438-rjr4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-36691","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-36691","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-36691","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-36691","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T19:53:47Z","modified":"2024-08-04T01:01:57.948Z","updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23286","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T19:53:47Z","modified":"2024-08-04T01:01:57Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-fg2p-g438-rjr4","title":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase:...","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2022-05-24T19:12:25Z","modified":"2023-01-30T05:01:49Z","cwes":["CWE-617"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-36691","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:15:07.47Z","modified":"2026-06-17T03:59:00.553Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:06:57.67549Z"}],"osv":[{"id":"CVE-2021-36691","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:15:07.47Z","modified":"2026-10-20T10:53:50.573933315Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-36691","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:15:07.47Z","modified":"2026-10-23T18:03:16.095112967Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-36691","description":"libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:15:00Z","modified":"2026-04-22T12:57:45.379801Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.870979Z"}]}}