vulnerability
Debian: CVE-2026-0880: firefox-esr, thunderbird -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jan 19, 2026 | Jan 19, 2026 | Jan 20, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jan 19, 2026
Added
Jan 19, 2026
Modified
Jan 20, 2026
Description
Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
Solutions
debian-upgrade-firefox-esrdebian-upgrade-thunderbird
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