vulnerability
Ubuntu: USN-7991-1 (CVE-2025-8038): Thunderbird vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Jul 22, 2025 | Jul 24, 2025 | Feb 4, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Jul 22, 2025
Added
Jul 24, 2025
Modified
Feb 4, 2026
Description
Firefox ignored paths when checking the validity of navigations in a frame. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
Solution
ubuntu-upgrade-thunderbird
References
- CVE-2025-8038
- https://attackerkb.com/topics/CVE-2025-8038
- CWE-345
- UBUNTU-USN-7991-1
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1808979
- URL-https://www.cve.org/CVERecord?id=CVE-2025-8038
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/#CVE-2025-8038
- URL-https://www.mozilla.org/security/advisories/mfsa2025-56/
- URL-https://www.mozilla.org/security/advisories/mfsa2025-59/
- URL-https://www.mozilla.org/security/advisories/mfsa2025-61/
- URL-https://www.mozilla.org/security/advisories/mfsa2025-63/
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.