Description
Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an attacker can cause the product to display a "correctly signed" message indication, but display different unauthenticated text.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | enigmail | 2:2.0.11+ds1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | enigmail | No fix yet | — |
| Ubuntu 16.04 LTS | enigmail | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | enigmail | 2.0.11-3.16.1 | SUSE-SU-2019:1576-1 |
| SLES 15 | enigmail | 2.0.11-3.16.1 | SUSE-SU-2019:1576-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 | enigmail | 2.0.11-31.1 | openSUSE-SU-2019:1612-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | enigmail | 2.2.4-1.4 | openSUSE-SU-2024:10736-1 |
| openSUSE Leap 15.1 | enigmail | 2.0.11-31.1 | openSUSE-SU-2019:1612-1 |
| openSUSE Leap 15.0 | enigmail | 2.0.11-31.1 | openSUSE-SU-2019:1612-1 |
Advisories 3
- SUSE-SU-2019:1576-1 Security update for enigmail SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1612-1 Security update for enigmail SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10736-1 enigmail-2.2.4-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://www.enigmail.net/index.php/en/download/changelog
- https://sourceforge.net/p/enigmail/bugs/983/
- openSUSE-SU-2019:1612 vendor-advisory
- FEDORA-2019-45a744b873 vendor-advisory
- FEDORA-2019-941d57ed72 vendor-advisory
- FEDORA-2019-951d5dcaf9 vendor-advisory