vulnerability
Ubuntu: USN-7991-1 (CVE-2025-8033): Thunderbird vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Jul 22, 2025 | Jul 24, 2025 | Feb 4, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Jul 22, 2025
Added
Jul 24, 2025
Modified
Feb 4, 2026
Description
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Solution
ubuntu-upgrade-thunderbird
References
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