vulnerability
MFSA2025-08 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.20 (CVE-2025-1010)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Feb 4, 2025 | Feb 5, 2025 | Apr 15, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Feb 4, 2025
Added
Feb 5, 2025
Modified
Apr 15, 2026
Description
An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Solution
mozilla-firefox-esr-upgrade-115_20
Rapid7 Labs
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