CVE-2018-5129
8.6
HIGH
CVSS 3.1
EPSS 2.3%
Description
A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.
How to fix CVE-2018-5129
To remediate CVE-2018-5129, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.7.0esr-1 or later
- —upgrade to 1:52.7.0-1 or later
Is CVE-2018-5129 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 52.7.0esr-1
- from 0, < 1:52.7.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |