CVE-2020-6831
9.8
CRITICAL
CVSS 3.1
EPSS 10.4%
Description
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
How to fix CVE-2020-6831
To remediate CVE-2020-6831, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 83.0.4103.83-1 or later
- Debian/firefox-esr—upgrade to 68.8.0esr-1 or later
- —upgrade to 1:68.8.0-1 or later
Is CVE-2020-6831 being exploited?
Moderate — EPSS is 10.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 83.0.4103.83-1
- from 0, < 68.8.0esr-1
- from 0, < 1:68.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |