critical
CVE-2020-6831
usrsctp: Buffer overflow in AUTH chunk input validation
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy's own label is CRITICAL. Rated critical by NVD, Amazon, Oracle. Rated lower by Red Hat (high), Ubuntu (medium).
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 and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 2 | thunderbird, thunderbird-debuginfo | 68.8.0-1.amzn2 |
| Oracle Linux 6 | firefox, thunderbird | 68.8.0-1.0.1.el6_10 |
| Oracle Linux 7 | firefox, thunderbird | 68.8.0-1.0.1.el7_8 |
| Oracle Linux 8 | firefox, thunderbird | 68.8.0-1.0.1.el8_2 |
| alpine 3.11 | firefox-esr | 68.8.0-r0 |
| alpine 3.12 | firefox, firefox-esr, mozjs68 | 76.0-r0 and 1 more |
| alpine 3.13 | firefox, firefox-esr | 76.0-r0 and 1 more |
| alpine 3.14 | firefox, firefox-esr | 76.0-r0 and 1 more |
| alpine 3.15 | firefox, firefox-esr | 76.0-r0 and 1 more |
| alpine 3.16 | firefox, firefox-esr, thunderbird | 76.0-r0 and 1 more |
| alpine 3.17 | firefox, firefox-esr, thunderbird | 76.0-r0 and 1 more |
| alpine 3.18 | firefox, firefox-esr, thunderbird | 76.0-r0 and 1 more |
Show all 96 entries from 39 sources
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 2 | thunderbird | 68.8.0-1.amzn2 |
| amazon linux 2 | thunderbird-debuginfo | 68.8.0-1.amzn2 |
| Oracle Linux 6 | firefox | 68.8.0-1.0.1.el6_10 |
| Oracle Linux 6 | thunderbird | 68.8.0-1.0.1.el6_10 |
| Oracle Linux 7 | firefox | 68.8.0-1.0.1.el7_8 |
| Oracle Linux 7 | thunderbird | 68.8.0-1.0.1.el7_8 |
| Oracle Linux 8 | firefox | 68.8.0-1.0.1.el8_2 |
| Oracle Linux 8 | thunderbird | 68.8.0-1.0.1.el8_2 |
| alpine 3.11 | firefox-esr | 68.8.0-r0 |
| alpine 3.12 | firefox | 76.0-r0 |
| alpine 3.12 | firefox-esr | 68.8.0-r0 |
| alpine 3.12 | mozjs68 | 68.8.0-r0 |
| alpine 3.13 | firefox | 76.0-r0 |
| alpine 3.13 | firefox-esr | 68.8.0-r0 |
| alpine 3.14 | firefox | 76.0-r0 |
| alpine 3.14 | firefox-esr | 68.8.0-r0 |
| alpine 3.15 | firefox | 76.0-r0 |
| alpine 3.15 | firefox-esr | 68.8.0-r0 |
| alpine 3.16 | firefox | 76.0-r0 |
| alpine 3.16 | firefox-esr | 68.8.0-r0 |
| alpine 3.16 | thunderbird | 68.8.0-r0 |
| alpine 3.17 | firefox | 76.0-r0 |
| alpine 3.17 | firefox-esr | 68.8.0-r0 |
| alpine 3.17 | thunderbird | 68.8.0-r0 |
| alpine 3.18 | firefox | 76.0-r0 |
| alpine 3.18 | firefox-esr | 68.8.0-r0 |
| alpine 3.18 | thunderbird | 68.8.0-r0 |
| alpine 3.19 | firefox | 76.0-r0 |
| alpine 3.19 | firefox-esr | 68.8.0-r0 |
| alpine 3.19 | thunderbird | 68.8.0-r0 |
| alpine 3.20 | firefox | 76.0-r0 |
| alpine 3.20 | firefox-esr | 68.8.0-r0 |
| alpine 3.20 | thunderbird | 68.8.0-r0 |
| alpine 3.21 | firefox | 76.0-r0 |
| alpine 3.21 | firefox-esr | 68.8.0-r0 |
| alpine 3.21 | librewolf | 76.0-r0 |
| alpine 3.21 | thunderbird | 68.8.0-r0 |
| alpine 3.22 | firefox | 76.0-r0 |
| alpine 3.22 | firefox-esr | 68.8.0-r0 |
| alpine 3.22 | librewolf | 76.0-r0 |
| alpine 3.22 | thunderbird | 68.8.0-r0 |
| alpine 3.23 | firefox | 76.0-r0 |
| alpine 3.23 | firefox-esr | 68.8.0-r0 |
| alpine 3.23 | librewolf | 76.0-r0 |
| alpine 3.23 | thunderbird | 68.8.0-r0 |
| alpine 3.24 | librewolf | 76.0-r0 |
| alpine edge | librewolf | 76.0-r0 |
| debian 10 | chromium | 83.0.4103.116-1~deb10u1 |
| debian 10 | firefox-esr | 68.8.0esr-1~deb10u1 |
| debian 10 | thunderbird | 1:68.8.0-1~deb10u1 |
| debian 11 | chromium | 83.0.4103.83-1 |
| debian 11 | firefox-esr | 68.8.0esr-1 |
| debian 11 | thunderbird | 1:68.8.0-1 |
| debian 12 | chromium | 83.0.4103.83-1 |
| debian 12 | firefox-esr | 68.8.0esr-1 |
| debian 12 | thunderbird | 1:68.8.0-1 |
| debian 13 | chromium | 83.0.4103.83-1 |
| debian 13 | firefox-esr | 68.8.0esr-1 |
| debian 13 | thunderbird | 1:68.8.0-1 |
| debian 14 | chromium | 83.0.4103.83-1 |
| debian 14 | firefox-esr | 68.8.0esr-1 |
| debian 14 | thunderbird | 1:68.8.0-1 |
| debian 8 | firefox-esr | 68.8.0esr-1~deb8u1 |
| debian 8 | thunderbird | 1:68.8.0-1~deb8u1 |
| debian 9 | chromium | no fix listed |
| debian 9 | firefox-esr | 68.8.0esr-1~deb9u1 |
| debian 9 | thunderbird | 1:68.8.0-1~deb9u1 |
| echo | chromium | 83.0.4103.83-1 |
| echo | firefox-esr | 68.8.0esr-1 |
| echo | thunderbird | 1:68.8.0-1 |
| ubuntu 16.04 | chromium-browser | 81.0.4044.138-0ubuntu0.16.04.1 |
| ubuntu 16.04 | firefox | 76.0+build2-0ubuntu0.16.04.1 |
| ubuntu 16.04 | thunderbird | 1:68.8.0+build2-0ubuntu0.16.04.2 |
| ubuntu 18.04 | chromium-browser | 81.0.4044.138-0ubuntu0.18.04.1 |
| ubuntu 18.04 | firefox | 76.0+build2-0ubuntu0.18.04.1 |
| ubuntu 18.04 | thunderbird | 1:68.8.0+build2-0ubuntu0.18.04.2 |
| ubuntu 19.10 | firefox | 76.0+build2-0ubuntu0.19.10.1 |
| ubuntu 19.10 | thunderbird | 1:68.8.0+build2-0ubuntu0.19.10.2 |
| ubuntu 20.04 | firefox | 76.0+build2-0ubuntu0.20.04.1 |
| ubuntu 20.04 | thunderbird | 1:68.8.0+build2-0ubuntu0.20.04.2 |
| ubuntu 20.10 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 20.10 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 21.04 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 21.04 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 21.10 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 21.10 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 22.04 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 22.04 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 22.10 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 22.10 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 23.04 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 23.04 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 23.10 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 23.10 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
| ubuntu 24.04 | firefox | 76.0+build2-0ubuntu1 |
| ubuntu 24.04 | thunderbird | 1:68.8.0+build2-0ubuntu1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
- https://access.redhat.com/security/cve/CVE-2020-6831
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
- https://linux.oracle.com/cve/CVE-2020-6831.html
- https://linux.oracle.com/errata/ELSA-2020-2050.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-6831
- https://security.gentoo.org/glsa/202005-03
All 20 references
- https://security.gentoo.org/glsa/202005-04
- https://ubuntu.com/security/notices/USN-4353-1
- https://ubuntu.com/security/notices/USN-4373-1
- https://usn.ubuntu.com/4373-1/
- https://www.cve.org/CVERecord?id=CVE-2020-6831
- https://www.debian.org/security/2020/dsa-4714
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-6831
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-6831
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-6831
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://www.mozilla.org/security/advisories/mfsa2020-17/
- https://www.mozilla.org/security/advisories/mfsa2020-18/