vulnerability
MFSA2022-21 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.10 (CVE-2022-31739)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | May 31, 2022 | Jun 1, 2022 | Aug 11, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 31, 2022
Added
Jun 1, 2022
Modified
Aug 11, 2025
Description
When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Solution
mozilla-firefox-esr-upgrade-91_10
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