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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 for Red Hat Enterprise Linux 8.6 variants that fix this vulnerability. Users should apply the updates as described in the Red Hat advisory (RHSA-2026:8887) and the referenced article https://access.redhat.com/articles/11258 to remediate the issue. No additional mitigation steps are indicated by the vendor.

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 and released updated packages for Red Hat Enterprise Linux 8.6 variants to address this issue. The vulnerability is rated as having an important security impact by Red Hat Product Security.

References

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