| Name | CVE-2020-6795 |
| Description | When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5. |
| 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-2104-1, DSA-4625-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| thunderbird (PTS) | jessie, jessie (lts) | 1:68.9.0-1~deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 1:91.10.0-1~deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 1:115.12.0-1~deb10u1 | fixed | |
| bullseye | 1:115.12.0-1~deb11u1 | fixed | |
| bullseye (security) | 1:128.4.3esr-1~deb11u1 | fixed | |
| bookworm | 1:115.16.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:128.4.3esr-1~deb12u1 | fixed | |
| sid, trixie | 1:128.4.3esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| thunderbird | source | wheezy | (unfixed) | end-of-life | ||
| thunderbird | source | jessie | 1:68.5.0-1~deb8u1 | DLA-2104-1 | ||
| thunderbird | source | stretch | 1:68.5.0-1~deb9u1 | DSA-4625-1 | ||
| thunderbird | source | buster | 1:68.5.0-1~deb10u1 | DSA-4625-1 | ||
| thunderbird | source | (unstable) | 1:68.5.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6795