Medium 5.3Published Mar 8, 2026

CVE-2026-3707MrNanko webp4j gif_decoder.c DecodeGifFromMemory integer overflow

Updated under an hour ago (Oct 26, 2026, 7:10 PM ET)

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Every CVE for MrNanko webp4j

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-190, CWE-189
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Mar 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MrNanko webp4j mrnanko:webp4j (from the name)	1.0; 1.1; 1.2; 1.3	CNA record

References

References

https://vuldb.com/?id.349653	vdb-entry, technical-description
https://vuldb.com/?ctiid.349653	signature, permissions-required
https://vuldb.com/?submit.765972	third-party-advisory
https://github.com/MrNanko/webp4j/issues/6	issue-tracking
https://github.com/MrNanko/webp4j/issues/6#issuecomment-3941945014	issue-tracking
https://github.com/Sp1d3rL1/Webp4j-Heap-Buffer-Overflow/blob/main/README.EN.md	exploit
https://github.com/MrNanko/webp4j/commit/89771b201c66d15d29e4cc016d8aae82b6a5fbe1	patch
https://github.com/MrNanko/webp4j/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.