Red Hat Security Advisory: OpenShift Container Platform 4.18.60 bug fix update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.8 Critical · fixed in Red Hat package updates : patch Red Hat as a priority.
Data as of 14 Nov 2026, 05:04 UTC
Thin evidence
One scorer or none| CNA (Linux) | CVSS 3.1 | 9.8 |
|---|
- Patch
- Available – fixed in e3f33b0a1d89d738e2b913dab519226eaf76e15b, b3b027ef0cd322bfa839b9aaf5b27551eea54cf6, a47406c769f72c070386985488f1c4d057df86b2 +5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Oct 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 13 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
Red Hat has released OpenShift Container Platform 4.18.60 with fixes for these vulnerabilities. Users should upgrade to this version using the provided container images and RPM packages available through the appropriate release channels. Detailed upgrade instructions are available in the official Red Hat OpenShift documentation. Applying this update fully mitigates the vulnerabilities. No additional mitigation steps are indicated by Red Hat.
Description
Red Hat OpenShift Container Platform 4.18.60 includes critical security fixes addressing two vulnerabilities: an out-of-bounds write in the Google Brotli decoder (CVE-2026-111497) and a kernel IPv4 memory management issue related to freeing inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432). These updates are provided as container images and RPM packages. Users of OpenShift Container Platform 4.18 are advised to upgrade to this release to mitigate these critical issues.
References
- access.redhat.com/errata/RHSA-2026:95104 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2553390 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2558973 (opens in a new tab)
- issues.redhat.com/browse/OCPBUGS-134631 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_95104.json (opens in a new tab)