CVE-2026-26740

Name of the Vulnerable Software and Affected Versions giflib version 5.2.2

Description A buffer overflow issue exists in giflib version 5.2.2. This flaw is due to the EGifGCBToExtension function overwriting an existing Graphic Control Extension block without validating its allocated size. This can lead to a denial of service.

Recommendations Update giflib to a newer version that addresses this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.