Out-of-bounds Write Affecting giflib package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-GIFLIB-15843833
- published30 Mar 2026
- disclosed18 Mar 2026
- creditUnknown
Introduced: 18 Mar 2026
NewCVE-2026-26740 (opens in a new tab)How to fix?
There is no fixed version for giflib.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the EGifGCBToExtension() function in giftool. An attacker can cause a system crash or denial of service by supplying a specially crafted Graphics Control Extension block that triggers a buffer overflow.