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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 : upgrade Red Hat giflib to 8.2.1 soon.

Data as of 5 Nov 2026, 21:19 UTC

Severity
High

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

Patch
Available – fixed in 8.2.1

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

Upgrade Red Hat giflib to 8.2.1.

Affected software

ProductAffectedFixed in
Red Hat Product Security Red HatAffected
  • >=8.2 <8.2.1
Fixed in
  • 8.2.1

AI-suggested

Red Hat has released an official security update fixing this vulnerability in giflib version 5.1.4-3.el8_2.1 for Red Hat Enterprise Linux 8.2 AUS. Users should apply this update promptly to remediate the issue. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for guidance on applying the patch.

Description

A double-free vulnerability in giflib, a library for reading and writing GIF images, can lead to memory corruption. This issue is tracked as CVE-2026-23868 and affects Red Hat Enterprise Linux 8.2 AUS. The vulnerability has been rated as important by Red Hat Product Security. An update fixing this issue is available in giflib version 5.1.4-3.el8_2.1.

References

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