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CVE-2026-34085VulnerabilityPublished

Red Hat Hardened Images RPMs (fontconfig): Schwachstelle ermöglicht Codeausführung oder DoS

Affects Bundesamt für Sicherheit in der Informationstechnik Red HatSource GCVE Database

0
Authoritative record:CVE-2026-34085· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium : upgrade Red Hat fontconfig to 2.17.1 when convenient.

Data as of 27 Oct 2026, 01:54 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 2.17.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade fontconfig and fontconfig/fontconfig to 2.17.1.

Affected software

ProductAffectedFixed in
fontconfig projectfontconfigAffected
  • <2.17.1
Fixed in
  • 2.17.1
GitHubfontconfig/fontconfigpkg:github/fontconfig/fontconfigOther threatsAffected
  • <2.17.1
Fixed in
  • 2.17.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released updated fontconfig RPM packages (version 2.17.1-0.1.hum1) that fix the vulnerability. Users of Red Hat Hardened Images should apply the security update as described in the Red Hat advisory RHSA-2026:13722. No additional mitigation steps are indicated by the vendor.

Description

A security vulnerability identified as CVE-2026-34085 affects the fontconfig RPM packages in Red Hat Hardened Images. The flaw could allow code execution or denial of service (DoS). Red Hat has released an update to address this issue in fontconfig version 2.17.1-0.1.hum1 for multiple architectures.

References

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