Description
The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows remote attackers to cause a denial of service (crash), as demonstrated with Mozilla Thunderbird.
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 | 2:0.94.2-1 | — |
References
- http://bugzilla.mozdev.org/show_bug.cgi?id=9730
- 22684 vdb-entry
- http://enigmail.mozdev.org/changelog.html#enig0.94.2
- USN-427-1 vendor-advisory