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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

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 ↗