Out-of-bounds write in GIFLIB - CVE-2026-26740
Published: June 29, 2026
Vulnerability identifier: #VU135705
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-26740
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GIFLIB Project
Affected software:
GIFLIB
GIFLIB
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can send a specially crafted file to the system to trigger an out-of-bounds write and perform a denial of service attack.
How to mitigate CVE-2026-26740
Install updates from vendor's website.