| Name | CVE-2022-31739 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 131.0-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.3.0esr-1~deb11u2 | fixed | |
| bookworm | 115.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 128.3.0esr-1~deb12u1 | fixed | |
| trixie | 115.15.0esr-1 | fixed | |
| sid | 128.3.0esr-2 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
| bullseye (security) | 1:115.15.0-1~deb11u1 | fixed | |
| bookworm | 1:115.12.0-1~deb12u1 | fixed | |
| bookworm (security) | 1:115.15.0-1~deb12u1 | fixed | |
| trixie | 1:128.2.0esr-1 | fixed | |
| sid | 1:128.3.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | (not affected) | |||
| firefox-esr | source | (unstable) | (not affected) | |||
| thunderbird | source | (unstable) | (not affected) |
- firefox <not-affected> (Only affects Windows)
- firefox-esr <not-affected> (Only affects Windows)
- thunderbird <not-affected> (Only affects Windows)
https://www.mozilla.org/en-US/security/advisories/mfsa2022-20/#CVE-2022-31739
https://www.mozilla.org/en-US/security/advisories/mfsa2022-21/#CVE-2022-31739
https://www.mozilla.org/en-US/security/advisories/mfsa2022-22/#CVE-2022-31739