vulnerability
Debian: CVE-2025-0241: firefox-esr, thunderbird -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:P) | Jan 7, 2025 | Jan 10, 2025 | Apr 15, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:P)
Published
Jan 7, 2025
Added
Jan 10, 2025
Modified
Apr 15, 2026
Description
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Solutions
debian-upgrade-firefox-esrdebian-upgrade-thunderbird
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.