Red Hat Security Advisory: giflib security update
Affects Red Hat giflibSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 21:18 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 21 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
AI-suggested
Red Hat has released updated giflib packages for Red Hat Enterprise Linux 10.0 Extended Update Support and related products. Users should apply these official updates as described in Red Hat article 11258 to remediate the vulnerability. Since a fix is available, applying the update is the recommended mitigation.
Description
A double-free vulnerability in giflib, a library for reading and writing GIF images, has been identified (CVE-2026-23868). This flaw can lead to memory corruption. Red Hat has issued a security advisory for this vulnerability affecting Red Hat Enterprise Linux 10.0 Extended Update Support and related products. An update is available to address this issue.