CVE-2018-12359
thunderbird - security update
8.8
HIGH
CVSS 3.1
EPSS 4.9%
Description
A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
How to fix CVE-2018-12359
To remediate CVE-2018-12359, upgrade the affected package to a fixed version below.
- —upgrade to 52.9.0esr-1 or later
- —upgrade to 52.9.0esr-1~deb8u1 or later
- —upgrade to 52.9.0esr-1~deb9u1 or later
- —upgrade to 1:52.9.0-1 or later
- —upgrade to 1:52.9.1-1~deb8u1 or later
- —upgrade to 1:52.9.1-1~deb9u1 or later
Is CVE-2018-12359 being exploited?
Low — EPSS is 4.9%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 52.9.0esr-1
- from 0, < 52.9.0esr-1~deb8u1
- from 0, < 52.9.0esr-1~deb9u1
- from 0, < 1:52.9.0-1
- from 0, < 1:52.9.1-1~deb8u1
- from 0, < 1:52.9.1-1~deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |