CVE-2020-6831
CVE-2020-6831
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.8 · Critical · EPSS 5.8% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
firefox esr
- Versions
- ≥ unspecified, < 68.8: Affected (custom)
Update to 68.8
firefox
- Versions
- ≥ unspecified, < 76: Affected (custom)
Update to 76
thunderbird
- Versions
- ≥ unspecified, < 68.8.0: Affected (custom)
Update to 68.8.0
chromium Debian:12
- Affected ranges
- ECOSYSTEM: < 83.0.4103.83-1
Update to 83.0.4103.83-1
chromium Debian:13
- Affected ranges
- ECOSYSTEM: < 83.0.4103.83-1
Update to 83.0.4103.83-1
chromium Debian:14
- Affected ranges
- ECOSYSTEM: < 83.0.4103.83-1
Update to 83.0.4103.83-1
firefox-esr Debian:12
- Affected ranges
- ECOSYSTEM: < 68.8.0esr-1
Update to 68.8.0esr-1
firefox-esr Debian:13
- Affected ranges
- ECOSYSTEM: < 68.8.0esr-1
Update to 68.8.0esr-1
firefox-esr Debian:14
- Affected ranges
- ECOSYSTEM: < 68.8.0esr-1
Update to 68.8.0esr-1
thunderbird Debian:12
- Affected ranges
- ECOSYSTEM: < 1:68.8.0-1
Update to 1:68.8.0-1
thunderbird Debian:13
- Affected ranges
- ECOSYSTEM: < 1:68.8.0-1
Update to 1:68.8.0-1
thunderbird Debian:14
- Affected ranges
- ECOSYSTEM: < 1:68.8.0-1
Update to 1:68.8.0-1
chromium-browser Ubuntu:16.04:LTS
- Versions
- 45.0.2454.101-0ubuntu1.1201
- 47.0.2526.73-0ubuntu1.1218
- 47.0.2526.106-0ubuntu1.1221
- 48.0.2564.82-0ubuntu1.1222
- 48.0.2564.116-0ubuntu1.1229
- 49.0.2623.87-0ubuntu1.1232
- 49.0.2623.108-0ubuntu1.1233
- 50.0.2661.102-0ubuntu0.16.04.1.1237
- 51.0.2704.79-0ubuntu0.16.04.1.1242
- 52.0.2743.116-0ubuntu0.16.04.1.1250
- 53.0.2785.143-0ubuntu0.16.04.1.1254
- 53.0.2785.143-0ubuntu0.16.04.1.1257
- 55.0.2883.87-0ubuntu0.16.04.1263
- 56.0.2924.76-0ubuntu0.16.04.1268
- 57.0.2987.98-0ubuntu0.16.04.1276
- 58.0.3029.81-0ubuntu0.16.04.1277
- 58.0.3029.96-0ubuntu0.16.04.1279
- 58.0.3029.110-0ubuntu0.16.04.1281
- 59.0.3071.109-0ubuntu0.16.04.1289
- 59.0.3071.109-0ubuntu0.16.04.1291
- 60.0.3112.78-0ubuntu0.16.04.1293
- 60.0.3112.113-0ubuntu0.16.04.1298
- 61.0.3163.79-0ubuntu0.16.04.1300
- 61.0.3163.100-0ubuntu0.16.04.1306
- 62.0.3202.62-0ubuntu0.16.04.1308
- 62.0.3202.75-0ubuntu0.16.04.1313
- 62.0.3202.89-0ubuntu0.16.04.1315
- 62.0.3202.94-0ubuntu0.16.04.1317
- 63.0.3239.84-0ubuntu0.16.04.1
- 63.0.3239.132-0ubuntu0.16.04.1
- 64.0.3282.119-0ubuntu0.16.04.1
- 64.0.3282.140-0ubuntu0.16.04.1
- 64.0.3282.167-0ubuntu0.16.04.1
- 65.0.3325.181-0ubuntu0.16.04.1
- 66.0.3359.139-0ubuntu0.16.04.3
- 66.0.3359.181-0ubuntu0.16.04.1
- 67.0.3396.99-0ubuntu0.16.04.2
- 68.0.3440.75-0ubuntu0.16.04.1
- 68.0.3440.106-0ubuntu0.16.04.1
- 69.0.3497.81-0ubuntu0.16.04.1
- 70.0.3538.67-0ubuntu0.16.04.1
- 70.0.3538.77-0ubuntu0.16.04.1
- 70.0.3538.110-0ubuntu0.16.04.1
- 71.0.3578.80-0ubuntu0.16.04.1
- 71.0.3578.98-0ubuntu0.16.04.1
- 72.0.3626.119-0ubuntu0.16.04.1
- 72.0.3626.121-0ubuntu0.16.04.1
- 73.0.3683.75-0ubuntu0.16.04.1
- 73.0.3683.86-0ubuntu0.16.04.1
- 74.0.3729.169-0ubuntu0.16.04.1
- 76.0.3809.87-0ubuntu0.16.04.1
- 76.0.3809.100-0ubuntu0.16.04.1
- 77.0.3865.90-0ubuntu0.16.04.1
- 78.0.3904.70-0ubuntu0.16.04.2
- 78.0.3904.97-0ubuntu0.16.04.1
- 78.0.3904.108-0ubuntu0.16.04.1
- 79.0.3945.79-0ubuntu0.16.04.1
- 79.0.3945.130-0ubuntu0.16.04.1
- 80.0.3987.87-0ubuntu0.16.04.1
- 80.0.3987.149-0ubuntu0.16.04.1
- 80.0.3987.163-0ubuntu0.16.04.1
- 81.0.4044.122-0ubuntu0.16.04.1
- Affected ranges
- ECOSYSTEM: < 81.0.4044.138-0ubuntu0.16.04.1
Update to 81.0.4044.138-0ubuntu0.16.04.1
firefox Ubuntu:16.04:LTS
- Versions
- 41.0.2+build2-0ubuntu1
- 42.0+build2-0ubuntu1
- 44.0+build3-0ubuntu2
- 44.0.1+build1-0ubuntu1
- 44.0.2+build1-0ubuntu1
- 45.0+build2-0ubuntu1
- 45.0.1+build1-0ubuntu1
- 45.0.2+build1-0ubuntu1
- 46.0+build5-0ubuntu0.16.04.2
- 46.0.1+build1-0ubuntu0.16.04.2
- 47.0+build3-0ubuntu0.16.04.1
- 48.0+build2-0ubuntu0.16.04.1
- 49.0+build4-0ubuntu0.16.04.1
- 49.0.2+build2-0ubuntu0.16.04.2
- 50.0+build2-0ubuntu0.16.04.2
- 50.0.2+build1-0ubuntu0.16.04.1
- 50.1.0+build2-0ubuntu0.16.04.1
- 51.0.1+build2-0ubuntu0.16.04.1
- 51.0.1+build2-0ubuntu0.16.04.2
- 52.0+build2-0ubuntu0.16.04.1
- 52.0.1+build2-0ubuntu0.16.04.1
- 52.0.2+build1-0ubuntu0.16.04.1
- 53.0+build6-0ubuntu0.16.04.1
- 53.0.2+build1-0ubuntu0.16.04.2
- 53.0.3+build1-0ubuntu0.16.04.2
- 54.0+build3-0ubuntu0.16.04.1
- 55.0.1+build2-0ubuntu0.16.04.2
- 55.0.2+build1-0ubuntu0.16.04.1
- 56.0+build6-0ubuntu0.16.04.1
- 56.0+build6-0ubuntu0.16.04.2
- 57.0+build4-0ubuntu0.16.04.5
- 57.0+build4-0ubuntu0.16.04.6
- 57.0.1+build2-0ubuntu0.16.04.1
- 57.0.3+build1-0ubuntu0.16.04.1
- 57.0.4+build1-0ubuntu0.16.04.1
- 58.0+build6-0ubuntu0.16.04.1
- 58.0.1+build1-0ubuntu0.16.04.1
- 58.0.2+build1-0ubuntu0.16.04.1
- 59.0+build5-0ubuntu0.16.04.1
- 59.0.1+build1-0ubuntu0.16.04.1
- 59.0.2+build1-0ubuntu0.16.04.1
- 59.0.2+build1-0ubuntu0.16.04.3
- 60.0+build2-0ubuntu0.16.04.1
- 60.0.1+build2-0ubuntu0.16.04.1
- 60.0.2+build1-0ubuntu0.16.04.1
- 61.0+build3-0ubuntu0.16.04.2
- 61.0.1+build1-0ubuntu0.16.04.1
- 62.0+build2-0ubuntu0.16.04.3
- 62.0+build2-0ubuntu0.16.04.4
- 62.0+build2-0ubuntu0.16.04.5
- 62.0.3+build1-0ubuntu0.16.04.2
- 63.0+build2-0ubuntu0.16.04.2
- 63.0.3+build1-0ubuntu0.16.04.1
- 64.0+build3-0ubuntu0.16.04.1
- 65.0+build2-0ubuntu0.16.04.1
- 65.0.1+build2-0ubuntu0.16.04.1
- 66.0+build3-0ubuntu0.16.04.2
- 66.0.1+build1-0ubuntu0.16.04.1
- 66.0.2+build1-0ubuntu0.16.04.1
- 66.0.3+build1-0ubuntu0.16.04.1
- 66.0.4+build3-0ubuntu0.16.04.1
- 66.0.5+build1-0ubuntu0.16.04.1
- 67.0+build2-0ubuntu0.16.04.1
- 67.0.1+build1-0ubuntu0.16.04.1
- 67.0.2+build2-0ubuntu0.16.04.1
- 67.0.3+build1-0ubuntu0.16.04.1
- 67.0.4+build1-0ubuntu0.16.04.1
- 68.0+build3-0ubuntu0.16.04.1
- 68.0.1+build1-0ubuntu0.16.04.1
- 68.0.2+build1-0ubuntu0.16.04.1
- 69.0+build2-0ubuntu0.16.04.4
- 69.0.1+build1-0ubuntu0.16.04.1
- 69.0.2+build1-0ubuntu0.16.04.1
- 70.0+build2-0ubuntu0.16.04.1
- 70.0.1+build1-0ubuntu0.16.04.1
- 71.0+build5-0ubuntu0.16.04.1
- 72.0.1+build1-0ubuntu0.16.04.1
- 72.0.2+build1-0ubuntu0.16.04.1
- 73.0.1+build1-0ubuntu0.16.04.1
- 74.0+build3-0ubuntu0.16.04.1
- 74.0.1+build1-0ubuntu0.16.04.1
- 75.0+build3-0ubuntu0.16.04.1
- Affected ranges
- ECOSYSTEM: < 76.0+build2-0ubuntu0.16.04.1
Update to 76.0+build2-0ubuntu0.16.04.1
thunderbird Ubuntu:16.04:LTS
- Versions
- 1:38.3.0+build1-0ubuntu2
- 1:38.5.1+build2-0ubuntu1
- 1:38.6.0+build1-0ubuntu1
- 1:38.7.2+build1-0ubuntu0.16.04.1
- 1:38.8.0+build1-0ubuntu0.16.04.1
- 1:45.2.0+build1-0ubuntu0.16.04.1
- 1:45.3.0+build1-0ubuntu0.16.04.2
- 1:45.4.0+build1-0ubuntu0.16.04.1
- 1:45.5.1+build1-0ubuntu0.16.04.1
- 1:45.7.0+build1-0ubuntu0.16.04.1
- 1:45.8.0+build1-0ubuntu0.16.04.1
- 1:52.1.1+build1-0ubuntu0.16.04.1
- 1:52.2.1+build1-0ubuntu0.16.04.1
- 1:52.3.0+build1-0ubuntu0.16.04.1
- 1:52.4.0+build1-0ubuntu0.16.04.2
- 1:52.5.0+build1-0ubuntu0.16.04.1
- 1:52.6.0+build1-0ubuntu0.16.04.1
- 1:52.7.0+build1-0ubuntu0.16.04.1
- 1:52.8.0+build1-0ubuntu0.16.04.1
- 1:52.9.1+build3-0ubuntu0.16.04.1
- 1:60.2.1+build1-0ubuntu0.16.04.4
- 1:60.4.0+build2-0ubuntu0.16.04.1
- 1:60.5.1+build2-0ubuntu0.16.04.1
- 1:60.6.1+build2-0ubuntu0.16.04.1
- 1:60.7.0+build1-0ubuntu0.16.04.1
- 1:60.7.1+build1-0ubuntu0.16.04.1
- 1:60.7.2+build2-0ubuntu0.16.04.1
- 1:60.8.0+build1-0ubuntu0.16.04.2
- 1:60.9.0+build1-0ubuntu0.16.04.2
- 1:60.9.1+build1-0ubuntu0.16.04.1
- 1:68.7.0+build1-0ubuntu0.16.04.2
- Affected ranges
- ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.16.04.2
Update to 1:68.8.0+build2-0ubuntu0.16.04.2
chromium-browser Ubuntu:18.04:LTS
- Versions
- 61.0.3163.100-0ubuntu1.1378
- 62.0.3202.62-0ubuntu0.17.10.1380
- 62.0.3202.89-0ubuntu1.1386
- 62.0.3202.94-0ubuntu1.1388
- 63.0.3239.84-0ubuntu1
- 63.0.3239.108-0ubuntu1
- 64.0.3282.119-0ubuntu1
- 64.0.3282.140-0ubuntu1
- 64.0.3282.167-0ubuntu1
- 65.0.3325.146-0ubuntu1
- 65.0.3325.181-0ubuntu1
- 66.0.3359.139-0ubuntu0.18.04.3
- 66.0.3359.181-0ubuntu0.18.04.1
- 67.0.3396.99-0ubuntu0.18.04.1
- 68.0.3440.75-0ubuntu0.18.04.1
- 68.0.3440.106-0ubuntu0.18.04.1
- 69.0.3497.81-0ubuntu0.18.04.1
- 70.0.3538.67-0ubuntu0.18.04.1
- 70.0.3538.77-0ubuntu0.18.04.1
- 70.0.3538.110-0ubuntu0.18.04.1
- 71.0.3578.80-0ubuntu0.18.04.1
- 71.0.3578.98-0ubuntu0.18.04.1
- 72.0.3626.119-0ubuntu0.18.04.1
- 72.0.3626.121-0ubuntu0.18.04.1
- 73.0.3683.75-0ubuntu0.18.04.1
- 73.0.3683.86-0ubuntu0.18.04.1
- 74.0.3729.169-0ubuntu0.18.04.1
- 75.0.3770.90-0ubuntu0.18.04.1
- 75.0.3770.142-0ubuntu0.18.04.1
- 76.0.3809.87-0ubuntu0.18.04.1
- 76.0.3809.100-0ubuntu0.18.04.1
- 77.0.3865.90-0ubuntu0.18.04.1
- 78.0.3904.70-0ubuntu0.18.04.2
- 78.0.3904.97-0ubuntu0.18.04.1
- 78.0.3904.108-0ubuntu0.18.04.1
- 79.0.3945.79-0ubuntu0.18.04.1
- 79.0.3945.130-0ubuntu0.18.04.1
- 80.0.3987.87-0ubuntu0.18.04.1
- 80.0.3987.149-0ubuntu0.18.04.1
- 80.0.3987.163-0ubuntu0.18.04.1
- 81.0.4044.122-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: < 81.0.4044.138-0ubuntu0.18.04.1
Update to 81.0.4044.138-0ubuntu0.18.04.1
firefox Ubuntu:18.04:LTS
- Versions
- 56.0+build6-0ubuntu1
- 57.0.1+build2-0ubuntu1
- 59.0.1+build1-0ubuntu1
- 59.0.2+build1-0ubuntu1
- 60.0+build2-0ubuntu1
- 60.0.1+build2-0ubuntu0.18.04.1
- 60.0.2+build1-0ubuntu0.18.04.1
- 61.0+build3-0ubuntu0.18.04.1
- 61.0.1+build1-0ubuntu0.18.04.1
- 62.0+build2-0ubuntu0.18.04.3
- 62.0+build2-0ubuntu0.18.04.4
- 62.0+build2-0ubuntu0.18.04.5
- 62.0.3+build1-0ubuntu0.18.04.1
- 63.0+build2-0ubuntu0.18.04.2
- 63.0.3+build1-0ubuntu0.18.04.1
- 64.0+build3-0ubuntu0.18.04.1
- 65.0+build2-0ubuntu0.18.04.1
- 65.0.1+build2-0ubuntu0.18.04.1
- 66.0+build3-0ubuntu0.18.04.1
- 66.0.1+build1-0ubuntu0.18.04.1
- 66.0.2+build1-0ubuntu0.18.04.1
- 66.0.3+build1-0ubuntu0.18.04.1
- 66.0.4+build3-0ubuntu0.18.04.1
- 66.0.5+build1-0ubuntu0.18.04.1
- 67.0+build2-0ubuntu0.18.04.1
- 67.0.1+build1-0ubuntu0.18.04.1
- 67.0.2+build2-0ubuntu0.18.04.1
- 67.0.3+build1-0ubuntu0.18.04.1
- 67.0.4+build1-0ubuntu0.18.04.1
- 68.0+build3-0ubuntu0.18.04.1
- 68.0.1+build1-0ubuntu0.18.04.1
- 68.0.2+build1-0ubuntu0.18.04.1
- 69.0+build2-0ubuntu0.18.04.1
- 69.0.1+build1-0ubuntu0.18.04.1
- 69.0.2+build1-0ubuntu0.18.04.1
- 70.0+build2-0ubuntu0.18.04.1
- 70.0.1+build1-0ubuntu0.18.04.1
- 71.0+build5-0ubuntu0.18.04.1
- 72.0.1+build1-0ubuntu0.18.04.1
- 72.0.2+build1-0ubuntu0.18.04.1
- 73.0+build3-0ubuntu0.18.04.1
- 73.0.1+build1-0ubuntu0.18.04.1
- 74.0+build3-0ubuntu0.18.04.1
- 74.0.1+build1-0ubuntu0.18.04.1
- 75.0+build3-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: < 76.0+build2-0ubuntu0.18.04.1
Update to 76.0+build2-0ubuntu0.18.04.1
thunderbird Ubuntu:18.04:LTS
- Versions
- 1:52.4.0+build1-0ubuntu2
- 1:52.6.0+build1-0ubuntu1
- 1:52.7.0+build1-0ubuntu1
- 1:52.8.0+build1-0ubuntu0.18.04.1
- 1:52.9.1+build3-0ubuntu0.18.04.1
- 1:60.2.1+build1-0ubuntu0.18.04.2
- 1:60.4.0+build2-0ubuntu0.18.04.1
- 1:60.5.1+build2-0ubuntu0.18.04.1
- 1:60.6.1+build2-0ubuntu0.18.04.1
- 1:60.7.0+build1-0ubuntu0.18.04.1
- 1:60.7.1+build1-0ubuntu0.18.04.1
- 1:60.7.2+build2-0ubuntu0.18.04.1
- 1:60.8.0+build1-0ubuntu0.18.04.1
- 1:60.9.0+build1-0ubuntu0.18.04.1
- 1:68.2.1+build1-0ubuntu0.18.04.1
- 1:68.2.2+build1-0ubuntu0.18.04.1
- 1:68.4.1+build1-0ubuntu0.18.04.1
- 1:68.7.0+build1-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.18.04.2
Update to 1:68.8.0+build2-0ubuntu0.18.04.2
mozjs52 Ubuntu:18.04:LTS
- Versions
- 52.3.1-0ubuntu3
- 52.3.1-7fakesync1
- 52.8.1-0ubuntu0.18.04.1
- 52.9.1-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mozjs38 Ubuntu:18.04:LTS
- Versions
- 38.8.0~repack1-0ubuntu1
- 38.8.0~repack1-0ubuntu3
- 38.8.0~repack1-0ubuntu4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
firefox Ubuntu:20.04:LTS
- Versions
- 69.0.3+build1-0ubuntu1
- 70.0+build2-0ubuntu1
- 70.0+build2-0ubuntu2
- 70.0.1+build1-0ubuntu2
- 71.0+build2-0ubuntu2
- 71.0+build5-0ubuntu1
- 72.0.1+build1-0ubuntu1
- 72.0.2+build1-0ubuntu1
- 73.0+build1-0ubuntu1
- 73.0+build2-0ubuntu1
- 73.0+build3-0ubuntu1
- 73.0.1+build1-0ubuntu1
- 74.0+build1-0ubuntu1
- 74.0+build2-0ubuntu1
- 74.0+build2-0ubuntu2
- 74.0+build3-0ubuntu1
- 75.0+build3-0ubuntu1
- Affected ranges
- ECOSYSTEM: < 76.0+build2-0ubuntu0.20.04.1
Update to 76.0+build2-0ubuntu0.20.04.1
thunderbird Ubuntu:20.04:LTS
- Versions
- 1:68.1.2+build1-0ubuntu1
- 1:68.1.2+build1-0ubuntu2
- 1:68.2.1+build1-0ubuntu1
- 1:68.2.2+build1-0ubuntu1
- 1:68.3.0+build2-0ubuntu1
- 1:68.3.1+build1-0ubuntu2
- 1:68.4.1+build1-0ubuntu1
- 1:68.4.2+build2-0ubuntu1
- 1:68.5.0+build1-0ubuntu1
- 1:68.6.0+build2-0ubuntu1
- 1:68.7.0+build1-0ubuntu1
- 1:68.7.0+build1-0ubuntu2
- Affected ranges
- ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.20.04.2
Update to 1:68.8.0+build2-0ubuntu0.20.04.2
mozjs68 Ubuntu:20.04:LTS
- Versions
- 68.5.0-1~fakesync
- 68.5.0-2~fakesync
- 68.6.0-1
- 68.6.0-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mozjs52 Ubuntu:20.04:LTS
- Versions
- 52.9.1-1build1
- 52.9.1-1ubuntu3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://www.mozilla.org/security/advisories/mfsa2020-18/
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://www.mozilla.org/security/advisories/mfsa2020-17/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
- https://usn.ubuntu.com/4373-1/
- https://security.gentoo.org/glsa/202005-03
- https://security.gentoo.org/glsa/202005-04
- https://www.debian.org/security/2020/dsa-4714
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-6831