Skip to main content
CVE-2026-94286VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Affects Red HatSource GCVE Database

0
Compare
Authoritative record:CVE-2026-94286· High 7.1

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

CVSS 3.1 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Sep 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 29 Oct 2026.

What to do

Upgrade libXtst to 1.2.6.

Affected software

ProductAffectedFixed in
x.orglibXtstAffected
  • <1.2.6
Fixed in
  • 1.2.6

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

Community reviews

Loading reviews…