CVE-2025-70103

State: Published
Severity: 7.3 High
Published: May 27, 2026
Updated: May 30, 2026
Reserved: Jan 9, 2026

Description

Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/libjxl/libjxl/issues/4337
https://github.com/libjxl/libjxl/pull/4338
https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2
https://infosec.exchange/@sigdevel/116642233929409910
http://www.openwall.com/lists/oss-security/2026/05/30/7

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