CVE-2026-3707
Description
A vulnerability was identified in MrNanko webp4j up to 1.3.x. The affected element is the function DecodeGifFromMemory of the file src/main/c/gif_decoder.c. Such manipulation of the argument canvas_height leads to integer overflow. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 89771b201c66d15d29e4cc016d8aae82b6a5fbe1. It is advisable to implement a patch to correct this issue.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/MrNanko/webp4j/
- https://github.com/MrNanko/webp4j/commit/89771b201c66d15d29e4cc016d8aae82b6a5fbe1
- https://github.com/MrNanko/webp4j/issues/6
- https://github.com/MrNanko/webp4j/issues/6#issuecomment-3941945014
- https://github.com/Sp1d3rL1/Webp4j-Heap-Buffer-Overflow/blob/main/README.EN.md
- https://vuldb.com/?ctiid.349653
- https://vuldb.com/?id.349653
- https://vuldb.com/?submit.765972
CWEs
CWE-189 CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.