CVE-2026-23868
It was discovered that GIFLIB incorrectly handled certain GIF image files. If a user or automated system were tricked into opening a specially crafted GIF file, a remote attacker could use this issue to cause GIFLIB to crash, resulting in a denial of service, or possibly execute arbitrary code.
CSIRTS triage
- What
- GIFLIB incorrectly handles certain GIF files, which could lead to crashes or arbitrary code execution.
- Who is affected
- Users who open specially crafted GIF files with GIFLIB.
- Urgency
- Remediation is necessary to prevent potential denial of service and arbitrary code execution.
- Action
- Update to the latest version of GIFLIB.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[UPDATE] [medium] Red Hat Enterprise Linux (giflib): Vulnerability allows code execution or DoScert-bund · 2026-07-23
- unknownUSN-8583-1: GIFLIB vulnerabilitiesubuntu · 2026-07-22
External references
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[](https://www.csirts.com/cve/CVE-2026-23868)