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crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

🗓️ 01 Apr 2026 09:29:07Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 19 Views

Unexpected session resumption in crypto/tls if ClientCAs or RootCAs mutate between handshakes via clone or GetConfigForClient.

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RedhatCVE		CVE-2025-68121
12 Feb 202611:01
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RedHat Linux		Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
9 Apr 202611:00
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RedHat Linux		crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption
9 Apr 202611:00
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RedHat Linux		Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
10 Apr 202614:24
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RedHat Linux		crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption
10 Apr 202614:24
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RedHat Linux		Important: Red Hat Security Advisory: podman security update
13 Apr 202612:51
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RedHat Linux		crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption
13 Apr 202612:51
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RedHat Linux		Moderate: Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0.18 (golang-github-openstack-k8s-operators-os-diff) security update
29 Apr 202604:17
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RedHat Linux		crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption
29 Apr 202604:17
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RedHat Linux		Important: Red Hat Security Advisory: Submariner v0.22 security fixes and container updates
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64containernetworking-plugins1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-1:1.4.0-8.rhaos4.17.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecontainernetworking-plugins1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-1:1.4.0-8.rhaos4.17.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcontainernetworking-plugins1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-1:1.4.0-8.rhaos4.17.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64containernetworking-plugins1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-1:1.4.0-8.rhaos4.17.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64containernetworking-plugins-debuginfo1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debuginfo-1:1.4.0-8.rhaos4.17.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecontainernetworking-plugins-debuginfo1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debuginfo-1:1.4.0-8.rhaos4.17.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcontainernetworking-plugins-debuginfo1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debuginfo-1:1.4.0-8.rhaos4.17.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64containernetworking-plugins-debuginfo1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debuginfo-1:1.4.0-8.rhaos4.17.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64containernetworking-plugins-debugsource1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debugsource-1:1.4.0-8.rhaos4.17.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecontainernetworking-plugins-debugsource1:1.4.0-8.rhaos4.17.el8containernetworking-plugins-debugsource-1:1.4.0-8.rhaos4.17.el8.ppc64le.rpm
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21 Aug 2026 12:23Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.1 - 10
EPSS0.00765
SSVC
crypto tlssession resumptionclient certificatesroot certificatesconfig clone mutationconfig for client
19