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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 20 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 that fix this vulnerability. Users of affected Red Hat Enterprise Linux 8.8 variants should apply the provided security updates as detailed in Red Hat advisory RHSA-2026:8886 and the update instructions at https://access.redhat.com/articles/11258. Applying these official patches 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 an important security update addressing this issue in Red Hat Enterprise Linux 8.8 variants. The vulnerability is rated as having a high security impact by Red Hat Product Security.

References

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