| 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, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2206-1, DSA-4683-1 |
Vulnerable and fixed packages
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) | 1:128.5.0esr-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.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397