A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated) memory. This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches. An incorrect optimization causes the decoder to omit populating those areas.
History

Fri, 24 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Libjxl Project
Libjxl Project libjxl
CPEs cpe:2.3:a:libjxl_project:libjxl:*:*:*:*:*:*:*:*
Vendors & Products Libjxl Project
Libjxl Project libjxl
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}


Thu, 12 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
References
Metrics threat_severity

None

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L'}

threat_severity

Low


Wed, 11 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google libjxl
Vendors & Products Google
Google libjxl
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 11 Feb 2026 15:45:00 +0000

Type Values Removed Values Added
Description A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated) memory. This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches. An incorrect optimization causes the decoder to omit populating those areas.
Title libjxl: Uninitialized memory read in decoder due to incorrect optimization in patch handling
Weaknesses CWE-908
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Google

Published: 2026-02-11T15:27:24.118Z

Updated: 2026-02-11T21:41:40.223Z

Reserved: 2025-10-29T16:11:30.108Z

Link: CVE-2025-12474

cve-icon Vulnrichment

Updated: 2026-02-11T21:41:33.922Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-11T16:15:53.647

Modified: 2026-04-24T16:42:18.960

Link: CVE-2025-12474

cve-icon Redhat

Severity : Low

Publid Date: 2026-02-11T15:27:24Z

Links: CVE-2025-12474 - Bugzilla