CVE-2017-7818
9.8
CRITICAL
CVSS 3.1
EPSS 6.9%
Description
A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
How to fix CVE-2017-7818
To remediate CVE-2017-7818, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.4.0esr-2 or later
- —upgrade to 1:52.4.0-1 or later
Is CVE-2017-7818 being exploited?
Moderate — EPSS is 6.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 52.4.0esr-2
- from 0, < 1:52.4.0-1
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 |