CVE-2019-17011
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
How to fix CVE-2019-17011
To remediate CVE-2019-17011, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 68.3.0esr-1 or later
- —upgrade to 1:68.3.0-1 or later
Is CVE-2019-17011 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.3.0esr-1
- from 0, < 1:68.3.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |