CVEvulnerability
CVE-2020-6831
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
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 configurations
• mozilla firefox (< 76.0)
• mozilla firefox esr (< 68.8.0)
• mozilla thunderbird (< 68.8.0)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
• canonical ubuntu linux 20.04
• debian debian linux 9.0
• debian debian linux 10.0
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 Permissions Required
- https://security.gentoo.org/glsa/202005-03 Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202005-04 Third Party Advisory
- https://usn.ubuntu.com/4373-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 Permissions Required
- https://security.gentoo.org/glsa/202005-03 Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202005-04 Third Party Advisory
- https://usn.ubuntu.com/4373-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory