CVE-2026-23868

CVSS 5.1 MEDIUMEPSS 0.1%CWE-415

Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

giflib · giflib

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References

https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7 https://www.facebook.com/security/advisories/cve-2026-23868