Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
4.8
MrNanko webp4j: Gif file processing can cause unexpected results
CVE-2026-3707
Summary
A bug in the MrNanko webp4j library can cause issues when processing GIF files. This could potentially allow an attacker to manipulate the file, but requires a local attack and a publicly available exploit exists. Update to the latest version of the library to fix the issue.
Original title
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...
Original 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.
nvd CVSS2.0
4.3
nvd CVSS3.1
5.3
nvd CVSS4.0
4.8
Vulnerability type
CWE-189
CWE-190
Integer Overflow
- https://github.com/MrNanko/webp4j/
- https://github.com/MrNanko/webp4j/commit/89771b201c66d15d29e4cc016d8aae82b6a5fbe...
- 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
Published: 8 Mar 2026 · Updated: 13 Mar 2026 · First seen: 8 Mar 2026