CVE-2025-70103

high

Published 2026-05-27 · Modified 2026-05-30

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CVSS v3

7.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.3

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.

Predictions

Exploit likelihood

82%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2025-70103 NameCVE-2025-70103 DescriptionHeap 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. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) Vulnerable and fixed packages The table…

CVE-2025-70103

Name	CVE-2025-70103
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jpeg-xl (PTS)	bookworm, bookworm (security)	0.7.0-10+deb12u1	vulnerable
	trixie	0.11.2-0.1~deb13u1	vulnerable
	forky, sid	0.11.2-5	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
jpeg-xl	source	(unstable)	(unfixed)

Notes

https://www.openwall.com/lists/oss-security/2026/05/30/7
https://github.com/libjxl/libjxl/issues/4337
https://github.com/libjxl/libjxl/pull/4380
Fixed by: https://github.com/libjxl/libjxl/commit/49fb89f23473e57fa1dac416adce7c7679e5d051

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

https://www.openwall.com/lists/oss-security/2026/05/30/7https://github.com/libjxl/libjxl/issues/4337https://github.com/libjxl/libjxl/pull/4380Fixed by: https://github.com/libjxl/libjxl/commit/49fb89f23473e57fa1dac416adce7c7679e5d051

OS impact

Debian Affected 4 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Affected	—
forky	Affected	—
bookworm	Affected	—

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

References

CWEs

CWE-122

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.