Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 5.9 Medium : upgrade Red Hat fontconfig to 2.17.1 when convenient.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- 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:LExploitation evidence
Disclosed: evidence found.
CVE published 25 Mar 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 29 Oct 2026.
What to do
Upgrade fontconfig and fontconfig/fontconfig to 2.17.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| fontconfig projectfontconfig | Affected
| Fixed in
|
GitHubfontconfig/fontconfigpkg:github/fontconfig/fontconfigOther threats | Affected
| Fixed in
|
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 (fontconfig-2.17.1-0.1.hum1 and related) for Red Hat Hardened Images to address this vulnerability. Applying these official updates is the recommended remediation. Red Hat is not aware of any practical temporary workarounds that fully mitigate this issue. Users should follow Red Hat's update instructions at https://images.redhat.com/ and consult the advisory at https://access.redhat.com/errata/RHSA-2026:13722 for details.
Description
This update includes the following RPMs: fontconfig: * fontconfig-2.17.1-0.1.hum1 (aarch64, x86_64) * fontconfig-devel-2.17.1-0.1.hum1 (aarch64, x86_64) * fontconfig-devel-doc-2.17.1-0.1.hum1 (noarch) * fontconfig-2.17.1-0.1.hum1.src (src) Security Fix(es): fontconfig: * CVE-2026-34085
References
- access.redhat.com/errata/RHSA-2026:13722 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-34085 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13722.json (opens in a new tab)