vulnerability
Debian: CVE-2025-10527: firefox-esr, thunderbird -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Sep 22, 2025 | Sep 22, 2025 | Nov 4, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Sep 22, 2025
Added
Sep 22, 2025
Modified
Nov 4, 2025
Description
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
Solutions
debian-upgrade-firefox-esrdebian-upgrade-thunderbird
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