CVE-2026-23868

MEDIUM

giflib 5.0.0-6.1.0 - Double Free via Shallow Copy in GifMakeSavedImage

Title source: llm

Description

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.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_confirm

https://www.facebook.com/security/advisories/cve-2026-23868

Product x_refsource_confirm

https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7

Scores

CVSS v3 5.1

EPSS 0.0011

EPSS Percentile 1.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-415

Status published

Products (2)

giflib/giflib 5.0.0 - 6.1.1

giflib_project/giflib 5.0.0 - 6.1.1

Published Mar 10, 2026

Tracked Since Mar 11, 2026