Red Hat Security Advisory: gegl04 security update
Affects Red Hat gegl04Source GCVE Database
Not known to be exploited · CVSS 7.8 High.
Data as of 31 Oct 2026, 10:52 UTC
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 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 30 Oct 2026.
What to do
AI-suggested
Red Hat has released an official security update for gegl04 (version 0.4.34-2.el9_2.2) that addresses CVE-2026-18300. Users of Red Hat Enterprise Linux 9.2 and related variants should apply this update promptly. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Description
A security vulnerability (CVE-2026-18300) in the Generic Graphics Library (GEGL) used by GIMP allows remote code execution via an integer overflow in HDR file parsing. Red Hat has issued an important security update for gegl04 in Red Hat Enterprise Linux 9.2 to address this issue. The vulnerability is rated with high severity by Red Hat Product Security. The update is available and should be applied to affected systems to remediate the flaw.