CVE-2019-11764
8.8
HIGH
CVSS 3.1
EPSS 0.93%
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
How to fix CVE-2019-11764
To remediate CVE-2019-11764, upgrade the affected package to a fixed version below.
- —upgrade to 68.2.0esr-1 or later
- —upgrade to 1:68.2.1-1 or later
Is CVE-2019-11764 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.2.0esr-1
- from 0, < 1:68.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |