| Name | CVE-2023-6205 |
| Description | It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3661-1, DLA-3674-1, DSA-5561-1, DSA-5566-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 144.0.2-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 140.4.0esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.4.0esr-1~deb12u1 | fixed | |
| trixie | 128.14.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.4.0esr-1~deb13u1 | fixed | |
| forky, sid | 140.4.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
| bullseye (security) | 1:140.4.0esr-1~deb11u1 | fixed | |
| bookworm | 1:128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.4.0esr-1~deb12u1 | fixed | |
| trixie | 1:128.14.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.4.0esr-1~deb13u1 | fixed | |
| forky, sid | 1:140.4.0esr-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) | 120.0-1 | |||
| firefox-esr | source | buster | 115.5.0esr-1~deb10u1 | DLA-3661-1 | ||
| firefox-esr | source | bullseye | 115.5.0esr-1~deb11u1 | DSA-5561-1 | ||
| firefox-esr | source | bookworm | 115.5.0esr-1~deb12u1 | DSA-5561-1 | ||
| firefox-esr | source | (unstable) | 115.5.0esr-1 | |||
| thunderbird | source | buster | 1:115.5.0-1~deb10u1 | DLA-3674-1 | ||
| thunderbird | source | bullseye | 1:115.5.0-1~deb11u1 | DSA-5566-1 | ||
| thunderbird | source | bookworm | 1:115.5.0-1~deb12u1 | DSA-5566-1 | ||
| thunderbird | source | (unstable) | 1:115.5.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2023-49/#CVE-2023-6205
https://www.mozilla.org/en-US/security/advisories/mfsa2023-50/#CVE-2023-6205
https://www.mozilla.org/en-US/security/advisories/mfsa2023-52/#CVE-2023-6205