| Name | CVE-2022-46880 |
| Description | A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3241-1, DLA-3242-1, DSA-5301-1, DSA-5303-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 133.0.3-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.5.0esr-1~deb11u1 | fixed | |
| bookworm | 128.3.1esr-1~deb12u1 | fixed | |
| bookworm (security) | 128.5.0esr-1~deb12u1 | fixed | |
| trixie | 128.5.0esr-1 | fixed | |
| sid | 128.5.1esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
| bullseye (security) | 1:128.5.0esr-1~deb11u1 | fixed | |
| bookworm | 1:115.16.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:128.5.0esr-1~deb12u1 | fixed | |
| sid, trixie | 1:128.5.2esr-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) | 105.0-1 | |||
| firefox-esr | source | buster | 102.6.0esr-1~deb10u1 | DLA-3241-1 | ||
| firefox-esr | source | bullseye | 102.6.0esr-1~deb11u1 | DSA-5301-1 | ||
| firefox-esr | source | (unstable) | 102.6.0esr-1 | |||
| thunderbird | source | buster | 1:102.6.0-1~deb10u1 | DLA-3242-1 | ||
| thunderbird | source | bullseye | 1:102.6.0-1~deb11u1 | DSA-5303-1 | ||
| thunderbird | source | (unstable) | 1:102.6.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2022-40/#CVE-2022-46880
https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/#CVE-2022-46880
https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/#CVE-2022-46880