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TI-2026-03199 Aliases CVE-2026-3707GHSA-vhg7-ppx8-v8hh

MrNanko webp4j gif_decoder.c DecodeGifFromMemory integer overflow

Priority LOW 21CWE-189Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0013 2nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MrNankowebp4j1.0; 1.1; 1.2; 1.3—No fix listedCNA
  • webp4j VendorMrNanko Affected 1.0; 1.1; 1.2; 1.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3707
  2. 2026-10-03 Alias added: GHSA-vhg7-ppx8-v8hh

References

Exploit 1

Patch 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences