CVE-2026-3707
CVE-2026-3707 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 4.3
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-10214
- Weakness: CWE-189
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-3707?
- 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.
- How severe is CVE-2026-3707?
- CVE-2026-3707 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-3707 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-3707?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3707 have an EU (EUVD) identifier?
- Yes. CVE-2026-3707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10214.
- When was CVE-2026-3707 published?
- CVE-2026-3707 was published on 2026-03-08 and last updated on 2026-06-17.
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
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- CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…