vulnerability
MFSA2025-30 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.23 (CVE-2025-2817)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | 2025-04-29 | 2025-04-30 | 2025-05-05 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
2025-04-29
Added
2025-04-30
Modified
2025-05-05
Description
Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled by a non-privileged user and enabling privilege escalation. This vulnerability affects Firefox
Solution
mozilla-firefox-esr-upgrade-115_23
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