| Name | CVE-2020-12397 |
| Description | By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0. |
| 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-2206-1, DSA-4683-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| 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) | 1:140.3.0esr-1~deb12u1 | fixed | |
| trixie | 1:128.14.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.3.0esr-1~deb13u1 | fixed | |
| forky | 1:140.3.1esr-1 | fixed | |
| 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 |
|---|---|---|---|---|---|---|
| thunderbird | source | jessie | 1:68.8.0-1~deb8u1 | DLA-2206-1 | ||
| thunderbird | source | stretch | 1:68.8.0-1~deb9u1 | DSA-4683-1 | ||
| thunderbird | source | buster | 1:68.8.0-1~deb10u1 | DSA-4683-1 | ||
| thunderbird | source | (unstable) | 1:68.8.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397