CVE-2025-70103

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/libjxl/libjxl/issues/4337

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/05/30/7

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

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