CVE-2018-18513
7.5
HIGH
CVSS 3.1
EPSS 0.51%
Description
A crash can occur when processing a crafted S/MIME message or an XPI package containing a crafted signature. This can be used as a denial-of-service (DOS) attack because Thunderbird reopens the last seen message on restart, triggering the crash again. This vulnerability affects Thunderbird < 60.5.
How to fix CVE-2018-18513
To remediate CVE-2018-18513, upgrade the affected package to a fixed version below.
- Debian/thunderbird—upgrade to 1:60.5.0-1 or later
Is CVE-2018-18513 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:60.5.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |