CVE-2018-18493
9.8
CRITICAL
CVSS 3.1
EPSS 18.2%
Description
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
How to fix CVE-2018-18493
To remediate CVE-2018-18493, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 60.4.0esr-1 or later
- —upgrade to 1:60.4.0-1 or later
Is CVE-2018-18493 being exploited?
Moderate — EPSS is 18.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 60.4.0esr-1
- from 0, < 1:60.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |