CVE-2020-6831
CRITICAL9.8EPSS 10.4%Published: 5/26/2020Modified: 4/28/2026
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.
Affected packages (3)
- Debian/chromiumfrom 0, < 83.0.4103.83-1
- Debian/firefox-esrfrom 0, < 68.8.0esr-1
- Debian/thunderbirdfrom 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 |