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CVE-2026-23868VulnerabilityPublished Updated

Red Hat Security Advisory: giflib security update

Affects Red Hat giflibSource GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 21:18 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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.

References

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