CVE-2026-42508

CVE Details

Release Date:	2026-05-22
Impact:	Important	What is this?

Description

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

See more information about CVE-2026-42508 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.4
Vector String:	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Version:	3.1
Attack Vector:	Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (aardvark-dns)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (buildah)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (cockpit-podman)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (conmon)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (container-selinux)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (containernetworking-plugins)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (containers-common)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (criu)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (crun)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (fuse-overlayfs)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (libslirp)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (netavark)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (oci-seccomp-bpf-hook)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (podman)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (python-podman)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (runc)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (skopeo)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (slirp4netns)	ELSA-2026-35833	2026-07-07
Oracle Linux version 8 (udica)	ELSA-2026-35833	2026-07-07