Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade Red Hat to 1.2.6 soon.
Data as of 30 Oct 2026, 02:46 UTC
- Patch
- Available – fixed in 1.2.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Sep 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 libXtst to 1.2.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| x.orglibXtst | Affected
| Fixed in
|
AI-suggested
Red Hat has released updated libXtst RPM packages (version 1.2.5-5.1.hum1) that fix this vulnerability. Users should apply these security updates to their Red Hat Hardened Images RPMs. No other mitigations meeting Red Hat's criteria for ease of use and deployment are currently available.
Description
A security vulnerability (CVE-2026-94286) was found in the libXtst library used in Red Hat Hardened Images RPMs. The flaw is an out-of-bounds read in the RECORD extension reply parser that can be triggered by a malicious X server. This vulnerability can cause a denial of service (DoS) by crashing client applications and may also lead to limited information disclosure. No mitigation is currently available that meets Red Hat's criteria for ease of use and deployment. A security update including fixed RPMs has been released by Red Hat.
References
- access.redhat.com/errata/RHSA-2026:79192 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-94286 (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_79192.json (opens in a new tab)