PT-2026-6540 · Mozilla · Thunderbird

Published 2026-02-02 · Updated 2026-02-02

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Thunderbird versions 1:140.7.1+build1-0ubuntu0.22.04.1

Description Thunderbird is affected by multiple security issues. An attacker could potentially exploit these issues to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code if a user is tricked into opening a specially crafted website within a browsing context.

Recommendations Update Thunderbird to version 1:140.7.1+build1-0ubuntu0.22.04.1.

Related Identifiers

USN-7991-1

Affected Products

Thunderbird

References · 113

• https://ubuntu.com/security/CVE-2025-8030 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0879 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-9396 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-0243 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0880 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-4089 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-3032 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-10468 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-10533 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13015 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-9185 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6433 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8039 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-0240 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-10536 · Vendor Advisory