PT-2026-42715 · Linux Mint+2 · Linuxmint+2

Thatnealpatel · CVE-2026-42508 · Published 2026-05-22 · Updated 2026-07-20

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description A failure occurred where a revoked SignatureKey belonging to a Certificate Authority (CA) was not correctly checked for revocation. The issue involves the validation process for the key and key.SignatureKey variables regarding their @revoked status.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

ALSA-2026:35833

ALSA-2026:37123

CLEANSTART-2026-AG91746

CLEANSTART-2026-AK43046

CLEANSTART-2026-AP10784

CLEANSTART-2026-AP31842

CLEANSTART-2026-AP81049

CLEANSTART-2026-BA41349

CLEANSTART-2026-BD49035

CLEANSTART-2026-BE68531

CLEANSTART-2026-BG93699

CLEANSTART-2026-BM12601

CLEANSTART-2026-BM78291

CLEANSTART-2026-BP02821

CLEANSTART-2026-BX78383

CLEANSTART-2026-CH64198

CLEANSTART-2026-CL67452

CLEANSTART-2026-CN27900

CLEANSTART-2026-CP20786

CLEANSTART-2026-CV49545

CLEANSTART-2026-EA12165

CLEANSTART-2026-EU52554

CLEANSTART-2026-EY79095

CLEANSTART-2026-FA38569

CLEANSTART-2026-FD47409

CLEANSTART-2026-FF85222

CLEANSTART-2026-FH24210

CLEANSTART-2026-FJ76096

CLEANSTART-2026-FR50160

CLEANSTART-2026-GB38700

CLEANSTART-2026-IH16568

CLEANSTART-2026-IM39799

CLEANSTART-2026-IN26303

CLEANSTART-2026-IT06487

CLEANSTART-2026-JT15863

CLEANSTART-2026-KJ72865

CLEANSTART-2026-KJ73757

CLEANSTART-2026-KJ85611

CLEANSTART-2026-KZ96078

CLEANSTART-2026-MA83809

CLEANSTART-2026-MI06133

CLEANSTART-2026-MO16862

CLEANSTART-2026-MR08661

CLEANSTART-2026-NE76010

CLEANSTART-2026-NT30039

CLEANSTART-2026-NU38786

CLEANSTART-2026-OF46770

CLEANSTART-2026-OH26633

CLEANSTART-2026-ON19155

CLEANSTART-2026-OV95289

CLEANSTART-2026-OY74734

CLEANSTART-2026-PF69993

CLEANSTART-2026-PH30270

CLEANSTART-2026-QN97697

CLEANSTART-2026-QU83011

CLEANSTART-2026-RE02723

CLEANSTART-2026-RF96040

CLEANSTART-2026-RJ71322

CLEANSTART-2026-RL64341

CLEANSTART-2026-RQ86436

CLEANSTART-2026-SQ76279

CLEANSTART-2026-SV92564

CLEANSTART-2026-SW10568

CLEANSTART-2026-SY48547

CLEANSTART-2026-TF97968

CLEANSTART-2026-TG81541

CLEANSTART-2026-TO13966

CLEANSTART-2026-UV44995

CLEANSTART-2026-VD09973

CLEANSTART-2026-VD47610

CLEANSTART-2026-VE68915

CLEANSTART-2026-VO11205

CLEANSTART-2026-VX15911

CLEANSTART-2026-VY69341

CLEANSTART-2026-WA48911

CLEANSTART-2026-WF25734

CLEANSTART-2026-WK17839

CLEANSTART-2026-WK82561

CLEANSTART-2026-WS85269

CLEANSTART-2026-WU14778

CLEANSTART-2026-XK25146

CLEANSTART-2026-XV65906

CLEANSTART-2026-YB92538

CLEANSTART-2026-YF30779

CLEANSTART-2026-YG71543

CLEANSTART-2026-YK91867

CLEANSTART-2026-YY48565

CLEANSTART-2026-ZF00349

CLEANSTART-2026-ZK75486

CLEANSTART-2026-ZL51442

CLEANSTART-2026-ZX52017

CVE-2026-42508

GHSA-5CGQ-3RG8-M6CV

GO-2026-5021

OPENSUSE-SU-2026:10843-1

OPENSUSE-SU-2026:10856-1

OPENSUSE-SU-2026:10858-1

OPENSUSE-SU-2026:10889-1

OPENSUSE-SU-2026:10949-1

OPENSUSE-SU-2026:10967-1

OPENSUSE-SU-2026:11126-1

OPENSUSE-SU-2026:11305-1

OPENSUSE-SU-2026:11314-1

OPENSUSE-SU-2026:20834-1

OPENSUSE-SU-2026:20838-1

OPENSUSE-SU-2026:20902-1

OPENSUSE-SU-2026:20956-1

OPENSUSE-SU-2026:21069-1

OPENSUSE-SU-2026:21079-1

OPENSUSE-SU-2026:21084-1

OPENSUSE-SU-2026:21120-1

OPENSUSE-SU-2026:21210-1

OPENSUSE-SU-2026:21244-1

OPENSUSE-SU-2026:21251-1

OPENSUSE-SU-2026:21281-1

RHSA-2026:23262

RHSA-2026:23264

RHSA-2026:35833

RHSA-2026:36796

RHSA-2026:37072

RHSA-2026:37123

RHSA-2026:41019

SUSE-SU-2026:22065-1

SUSE-SU-2026:22074-1

SUSE-SU-2026:22157-1

SUSE-SU-2026:22159-1

SUSE-SU-2026:22193-1

SUSE-SU-2026:22226-1

SUSE-SU-2026:22242-1

SUSE-SU-2026:22249-1

SUSE-SU-2026:22376-1

SUSE-SU-2026:22423-1

SUSE-SU-2026:22442-1

SUSE-SU-2026:22451-1

SUSE-SU-2026:22516-1

SUSE-SU-2026:22558-1

SUSE-SU-2026:22575-1

SUSE-SU-2026:22613-1

SUSE-SU-2026:2467-1

SUSE-SU-2026:2468-1

SUSE-SU-2026:2581-1

SUSE-SU-2026:2609-1

SUSE-SU-2026:2611-1

SUSE-SU-2026:2612-1

SUSE-SU-2026:2636-1

SUSE-SU-2026:2665-1

SUSE-SU-2026:2693-1

SUSE-SU-2026:2706-1

SUSE-SU-2026:2715-1

SUSE-SU-2026:2733-1

SUSE-SU-2026:2824-1

SUSE-SU-2026:2827-1

SUSE-SU-2026:3056-1

USN-8447-1

USN-8447-2

Affected Products

Linuxmint

Rocky Linux

Ubuntu

References · 875

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42508.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-61729 · Security Note
• https://osv.dev/vulnerability/CLEANSTART-2026-IH16568 · Vendor Advisory
• https://osv.dev/vulnerability/CLEANSTART-2026-SY48547 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2612-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8565 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-39835 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-39833 · Security Note
• https://osv.dev/vulnerability/CLEANSTART-2026-ZL51442 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42502 · Security Note
• https://osv.dev/vulnerability/CLEANSTART-2026-QU83011 · Vendor Advisory
• https://osv.dev/vulnerability/CLEANSTART-2026-YB92538 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27136 · Security Note
• https://access.redhat.com/errata/RHSA-2026:37123 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46599 · Security Note