CVE-2026-42508

Published: May 26, 2026Last modified: July 4, 2026

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.

Severity score breakdown

Parameter	Value
Base score	9.1
Attack Vector	NETWORK
Attack complexity	LOW
Privileges required	NONE
User interaction	NONE
Scope	UNCHANGED
Confidentiality	HIGH
Integrity impact	HIGH
Availability impact	NONE
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Status

Product	Release	Package	Status
Alpaquita Linux	23 LTS	buildah	Vulnerable (1.28.0-r1)
		containerd	Vulnerable (1.6.10-r0)
		podman	Vulnerable (4.3.1-r0)
		skopeo	Vulnerable (1.10.0-r2)
	25 LTS	buildah	Vulnerable (1.40.0-r0)
		containerd	Vulnerable (2.1.1-r0)
		docker-cli-buildx	Vulnerable (0.24.0-r0)
		google-guest-agent	Vulnerable (20250521.00-r0)
		osv-scanner	Vulnerable (2.1.0-r4)
		podman	Vulnerable (5.5.0-r0)
		skopeo	Vulnerable (1.18.0-r2)
	Stream	buildah	Vulnerable (1.31.0-r0)
		calicoctl	Vulnerable (3.31.3-r0)
		cilium-cli	Vulnerable (0.19.0-r12)
		containerd	Vulnerable (1.7.2-r1)
		docker-cli-buildx	Vulnerable (0.11.0-r0)
		etcd	Vulnerable (3.6.4-r6)
		google-guest-agent	Vulnerable (20250214.01-r0)
		grype	Vulnerable (0.100.0-r0)
		helm	Vulnerable (3.19.0-r4)
		osv-scanner	Vulnerable (2.1.0-r2)
		podman	Fixed (5.8.4-r0)
		skopeo	Vulnerable (1.13.0-r1)

CVE-2026-42508

Description

Severity score breakdown

Status

References