VULNERABILITY INTELLIGENCE
CVE-2020-6831
CVSS score9.8 CRITICAL
EPSS probability5.80%
CISA KEVNot currently listed
Published2020-05-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-787
Primary references
- security@mozilla.org — Mailing List, Third Party Advisory
- security@mozilla.org — Third Party Advisory, VDB Entry
- security@mozilla.org — Permissions Required
- security@mozilla.org — Patch, Third Party Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry