{"id":"CVE-2026-82522","aliases":["DEBIAN-CVE-2026-82522","EUVD-2026-70241","GHSA-8q4m-qc33-25q8","OESA-2026-4375","SUSE-SU-2026:5131-1","UBUNTU-CVE-2026-82522"],"status":"published","title":"libjxl \u003c 0.12.0 Container Box Parser Integer Underflow via 32-bit Size Truncation","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0023,"percentile":0.13973,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-681"],"published":"2026-09-02T17:37:47Z","modified":"2026-11-10T13:15:09Z","fixes":[{"ecosystem":"openEuler:24.03-LTS-SP4","package":"jpegxl","fixed_in":["0.11.2-5.oe2403sp4"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP7","package":"libjxl","fixed_in":["0.10.5-150700.4.15.1"],"sources":["osv"]}],"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","0.11.2-1","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","0.11.2-1","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","0.11.2-1","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":"openEuler:24.03-LTS-SP4","package":"jpegxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.2-5.oe2403sp4"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP7","package":"libjxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.5-150700.4.15.1"}]}]},{"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"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.1-6ubuntu4","0.11.1-6ubuntu5","0.11.2-5ubuntu1","0.11.2-5.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"jpeg-xl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.1-4","0.11.1-6ubuntu1","0.11.1-6ubuntu3","0.11.1-6ubuntu4","0.11.1-6ubuntu4.2"]}],"products":[{"vendor":"google","product":"libjxl"},{"vendor":"libjxl","product":"libjxl"}],"references":[{"url":"https://github.com/libjxl/libjxl/releases/tag/v0.12.0","tags":["release-notes","advisory","report"]},{"url":"https://github.com/libjxl/libjxl/pull/4885","tags":["issue-tracking","patch","fix","report"]},{"url":"https://github.com/libjxl/libjxl/commit/22ad80af1454f0444ea34115e49ed40517147d68","tags":["patch","fix","report"]},{"url":"https://www.vulncheck.com/advisories/libjxl-container-box-parser-integer-underflow-via-32-bit-size-truncation","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82522","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8q4m-qc33-25q8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82522.json","tags":["advisory"]},{"url":"https://github.com/libjxl/libjxl","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-82522","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4375","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20265131-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1278308","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-82522","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-82522","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-82522","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-82522","title":"libjxl \u003c 0.12.0 Container Box Parser Integer Underflow via 32-bit Size Truncation","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T17:37:47.649Z","modified":"2026-11-08T14:09:11.377Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-681"],"updated_at":"2026-11-08T15:43:34.234229Z"}],"euvd":[{"id":"EUVD-2026-70241","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T17:37:47Z","modified":"2026-11-08T14:09:11Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-08T15:13:06.469155Z"}],"ghsa":[{"id":"GHSA-8q4m-qc33-25q8","title":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that...","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T18:32:30Z","modified":"2026-09-02T18:32:37Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-681"],"updated_at":"2026-11-02T15:11:17.943368Z"}],"nvd":[{"id":"CVE-2026-82522","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T18:21:27.587Z","modified":"2026-09-23T17:17:43.213Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-681"],"updated_at":"2026-11-02T14:12:43.399612Z"}],"osv":[{"id":"CVE-2026-82522","title":"libjxl \u003c 0.12.0 Container Box Parser Integer Underflow via 32-bit Size Truncation","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T17:37:47.649Z","modified":"2026-11-10T13:27:17.373254861Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-681"],"updated_at":"2026-11-09T03:16:17.543303Z"},{"id":"DEBIAN-CVE-2026-82522","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T18:21:27.587Z","modified":"2026-09-24T08:47:35.409392064Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:46:04.577397Z"},{"id":"OESA-2026-4375","title":"jpegxl security update","description":"This package contains a reference implementation of JPEG XL (encoder and decoder).\r\n\r\nSecurity Fix(es):\n\nlibjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.(CVE-2026-82522)","status":"published","published":"2026-10-16T11:59:55Z","modified":"2026-10-16T12:15:13.593538426Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"UBUNTU-CVE-2026-82522","description":"libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to size_t on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse attacker-controlled codestream bytes as phantom box headers, enabling injection of arbitrary metadata (Exif, XMP, IPTC, JUMBF) and potential out-of-bounds reads.","status":"published","published":"2026-09-02T18:21:00Z","modified":"2026-10-17T13:01:12.018495441Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:22.213888Z"},{"id":"SUSE-SU-2026:5131-1","title":"Security update for libjxl","description":"This update for libjxl fixes the following issue:\n\n- CVE-2026-82522: integer underflow via 64-bit box size truncation on 32-bit systems can lead to phantom box parsing and\n  arbitrary metadata injection (bsc#1278308).\n","status":"published","published":"2026-11-09T09:14:06Z","modified":"2026-11-10T13:15:09.952704528Z","updated_at":"2026-11-10T13:29:51.103746Z"}]}}