Bug ID 1233764
Summary VUL-0: CVE-2024-11403: qt6-webengine: libjxl: Out of Bounds Memory Read/Write in libjxl
Classification openSUSE
Product openSUSE Distribution
Version Leap 15.5
Hardware Other
URL https://smash.suse.de/issue/429996/
OS Other
Status NEW
Whiteboard CVSSv3.1:SUSE:CVE-2024-11403:6.7:(AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L)
Severity Normal
Priority P5 - None
Component Security
Assignee christophe@krop.fr
Reporter andrea.mattiazzo@suse.com
QA Contact security-team@suse.de
Blocks 1233763
Target Milestone ---
Found By ---
Blocker ---

Comment # 1 on bug 1233764 from Andrea Mattiazzo
There exists an out of bounds read/write in LibJXL versions prior to commit
9cc451b91b74ba470fd72bd48c121e9f33d24c99. The JPEG decoder used by the JPEG XL
encoder when doing JPEG recompression (i.e. if using JxlEncoderAddJPEGFrame on
untrusted input) does not properly check bounds in the presence of incomplete
codes. This could lead to an out-of-bounds write. In jpegli which is released
as part of the same project, the same vulnerability is present. However, the
relevant buffer is part of a bigger structure, and the code makes no
assumptions on the values that could be overwritten. The issue could however
cause jpegli to read uninitialised memory, or addresses of functions.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-11403
https://www.cve.org/CVERecord?id=CVE-2024-11403
https://github.com/libjxl/libjxl/commit/9cc451b91b74ba470fd72bd48c121e9f33d24c99
https://bugzilla.redhat.com/show_bug.cgi?id=2328670


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