CVE-2018-18509

Priority
Description
A flaw during verification of certain S/MIME signatures causes emails to be
shown in Thunderbird as having a valid digital signature, even if the shown
message contents aren't covered by the signature. The flaw allows an
attacker to reuse a valid S/MIME signature to craft an email message with
arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
Notes
Package
Upstream:released (60.5.1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [1:60.5.1+build2-0ubuntu0.14.04.1])
Ubuntu 16.04 LTS (Xenial Xerus):released (1:60.5.1+build2-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (1:60.5.1+build2-0ubuntu0.18.04.1)
More Information

Updated: 2020-07-28 20:04:36 UTC (commit d26b6ca9f5b3adb89bb036ce73ae7dab894935ec)