RHSA-2026:22309HighCVSS 7.5
Red Hat Security Advisory: rhc security update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVE-2026-32281 — crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation
🎯 Affected products27
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-1:0.2.7-7.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debuginfo-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- rhc-debugsource-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-devel-1:0.2.7-7.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-devel-1:0.2.7-7.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-devel-1:0.2.7-7.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- rhc-devel-1:0.2.7-7.el9_8.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:22309
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2456333
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2456339
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22309.json