Description
Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to potentially exploit heap corruption via a crafted SCTP stream.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | unspecified – < 84.0.4147.89 | 84.0.4147.89 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | chromium | 87.0.4280.88-0.1 | — |
| Debian 14 | firefox-esr | 68.11.0esr-1 | — |
| Debian 14 | thunderbird | 1:68.11.0-1 | — |
| Debian 13 | chromium | 87.0.4280.88-0.1 | — |
| Debian 13 | firefox-esr | 68.11.0esr-1 | — |
| Debian 13 | thunderbird | 1:68.11.0-1 | — |
| Debian 12 | chromium | 87.0.4280.88-0.1 | — |
| Debian 12 | firefox-esr | 68.11.0esr-1 | — |
| Debian 12 | thunderbird | 1:68.11.0-1 | — |
| Debian 10 | chromium | 87.0.4280.88-0.4~deb10u1 | DSA-4824-1 |
| Debian 10 | firefox-esr | 68.11.0esr-1~deb10u1 | DSA-4736-1 |
| Debian 10 | thunderbird | 1:68.11.0-1~deb10u1 | DSA-4740-1 |
| Debian 9 | firefox-esr | 68.11.0esr-1~deb9u1 | DLA-2297-1 |
| Debian 9 | thunderbird | 1:68.11.0-1~deb9u1 | DLA-2310-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | firefox | 79.0+build1-0ubuntu0.20.04.1 | USN-4443-1 |
| Ubuntu 20.04 LTS | thunderbird | 1:78.7.1+build1-0ubuntu0.20.04.1 | — |
| Ubuntu 18.04 LTS | chromium-browser | 84.0.4147.105-0ubuntu0.18.04.1 | — |
| Ubuntu 18.04 LTS | firefox | 79.0+build1-0ubuntu0.18.04.1 | USN-4443-1 |
| Ubuntu 18.04 LTS | thunderbird | 1:78.8.1+build1-0ubuntu0.18.04.1 | — |
| Ubuntu 16.04 LTS | chromium-browser | 84.0.4147.105-0ubuntu0.16.04.1 | — |
| Ubuntu 16.04 LTS | firefox | 79.0+build1-0ubuntu0.16.04.2 | USN-4443-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | firefox +1 | 68.11.0-1.el8_2 | RHSA-2020:3341, RHSA-2020:3241 |
| RHEL 7 | firefox +1 | 68.11.0-1.el7_8 | RHSA-2020:3344, RHSA-2020:3253 |
| RHEL 6 | chromium-browser | 84.0.4147.105-2.el6_10 | RHSA-2020:3377 |
| RHEL 6 | firefox +1 | 68.11.0-1.el6_10 | RHSA-2020:3345, RHSA-2020:3233 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.1 EUS | firefox +1 | 68.11.0-1.el8_1 | RHSA-2020:3342, RHSA-2020:3254 |
| RHEL 8.0 E4S | firefox +1 | 68.11.0-1.el8_0 | RHSA-2020:3343, RHSA-2020:3229 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | MozillaFirefox | 78.1.0-8.3.1 | SUSE-SU-2020:2147-1 |
| SLES 15 SP2 | MozillaFirefox-branding-SLE | 78-9.2.4 | SUSE-SU-2020:2147-1 |
| SLES 15 SP2 | MozillaThunderbird | 68.11.0-3.91.1 | SUSE-SU-2020:2179-1 |
| SLES 15 SP2 | pipewire | 0.3.6-3.3.2 | SUSE-SU-2020:2147-1 |
| SLES 15 SP1 | MozillaFirefox | 78.1.0-3.100.2 | SUSE-SU-2020:2118-1 |
| SLES 15 SP1 | MozillaThunderbird | 68.11.0-3.91.1 | SUSE-SU-2020:2179-1 |
| SLES 12 SP5 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES 12 SP4 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES 12 SP3 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES 11 SP4 | MozillaFirefox | 78.1.0-78.87.1 | SUSE-SU-2020:14456-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SLES for SAP 12 SP2 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE Package Hub 15 SP2 | chromium | 84.0.4147.89-bp152.2.7.1 | openSUSE-SU-2020:1048-1 |
| SUSE Package Hub 15 SP1 | chromium | 84.0.4147.89-bp151.3.94.1 | openSUSE-SU-2020:1061-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE OpenStack Cloud 7 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
| SUSE Enterprise Storage 5 | MozillaFirefox | 78.1.0-112.8.1 | SUSE-SU-2020:2100-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 92.0-1.2 | openSUSE-SU-2024:10600-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 91.1.1-1.1 | openSUSE-SU-2024:10601-1 |
| openSUSE Tumbleweed | chromium | 93.0.4577.82-1.1 | openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10681-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.2 | MozillaFirefox | 78.1.0-lp152.2.12.1 | openSUSE-SU-2020:1189-1, openSUSE-SU-2020:1155-1 |
| openSUSE Leap 15.2 | MozillaThunderbird | 68.11.0-lp152.2.7.1 | openSUSE-SU-2020:1205-1 |
| openSUSE Leap 15.2 | chromium | 84.0.4147.89-lp152.2.6.2 | openSUSE-SU-2020:1020-1 |
| openSUSE Leap 15.2 | opera | 70.0.3728.71-lp152.2.12.1 | openSUSE-SU-2020:1172-1 |
| openSUSE Leap 15.2 | pipewire | 0.3.6-lp152.2.3.1 | openSUSE-SU-2020:1189-1 |
| openSUSE Leap 15.1 | MozillaFirefox | 78.1.0-lp151.2.61.1 | openSUSE-SU-2020:1147-1 |
| openSUSE Leap 15.1 | MozillaThunderbird | 68.11.0-lp151.2.47.1 | openSUSE-SU-2020:1179-1 |
| openSUSE Leap 15.1 | chromium | 84.0.4147.89-lp151.2.109.1 | openSUSE-SU-2020:1021-1 |
| openSUSE Leap 15.1 | opera | 70.0.3728.71-lp151.2.24.1 | openSUSE-SU-2020:1148-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | librewolf | 79.0-r0 | — |
| Alpine v3.23 | firefox +1 | 79.0-r0 | — |
| Alpine v3.23 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.22 | firefox +1 | 79.0-r0 | — |
| Alpine v3.22 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.21 | firefox +1 | 79.0-r0 | — |
| Alpine v3.21 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.20 | firefox | 79.0-r0 | — |
| Alpine v3.20 | firefox-esr | 78.1.0-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | firefox | 79.0-r0 | — |
| Alpine v3.19 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.18 | firefox | 79.0-r0 | — |
| Alpine v3.18 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.17 | firefox | 79.0-r0 | — |
| Alpine v3.17 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.16 | firefox | 79.0-r0 | — |
| Alpine v3.16 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.15 | firefox | 79.0-r0 | — |
| Alpine v3.15 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.14 | firefox | 79.0-r0 | — |
| Alpine v3.14 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.13 | firefox | 79.0-r0 | — |
| Alpine v3.13 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.12 | firefox | 79.0-r0 | — |
| Alpine v3.12 | firefox-esr | 78.1.0-r0 | — |
| Alpine v3.12 | mozjs68 | 68.11.0-r0 | — |
| Alpine v3.11 | firefox-esr | 68.11.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | thunderbird | 68.11.0-1.amzn2 | ALAS2-2020-1487 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | firefox +1 | 68.11.0-1.0.1.el8_2 | ELSA-2020-3341, ELSA-2020-3241 |
| Oracle Linux 7 | firefox +1 | 68.11.0-1.0.1.el7_8 | ELSA-2020-3344, ELSA-2020-3253 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
hasan-khalil/CVE-2020-6514 ★ 2 · Aug 9, 2020
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 43
- RHSA-2020:3377 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3345 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3343 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3344 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3341 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3342 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3253 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3254 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3233 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3241 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3229 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-4443-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4736-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4824-1 chromium - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4740-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2297-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2310-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:1148-1 Security update for opera SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:14456-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1172-1 Security update for opera SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2179-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1179-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1147-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1048-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10681-1 chromedriver-93.0.4577.82-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1021-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1155-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2147-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10600-1 MozillaFirefox-92.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1020-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1205-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2118-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1189-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2100-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1061-1 Security update for chromium SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2024:10601-1 MozillaThunderbird-91.1.1-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- ALAS2-2020-1487 Important: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 2, 2020
- ELSA-2020-3344 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2020
- ELSA-2020-3341 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 6, 2020
- ELSA-2020-3253 Important: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 31, 2020
- ELSA-2020-3241 Important: firefox security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 30, 2020
References
- https://support.apple.com/kb/HT211288
- https://support.apple.com/kb/HT211290
- https://support.apple.com/kb/HT211291
- https://support.apple.com/kb/HT211292
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
- https://crbug.com/1076703
- openSUSE-SU-2020:1061 vendor-advisory
- GLSA-202007-08 vendor-advisory
- [debian-lts-announce] 20200729 [SECURITY] [DLA 2297-1] firefox-esr security update mailing-list
- DSA-4736 vendor-advisory
- FEDORA-2020-bf684961d9 vendor-advisory
- GLSA-202007-64 vendor-advisory
- http://packetstormsecurity.com/files/158697/WebRTC-usrsctp-Incorrect-Call.html
- FEDORA-2020-84d87cbd50 vendor-advisory
- [debian-lts-announce] 20200802 [SECURITY] [DLA 2310-1] thunderbird security update mailing-list
- DSA-4740 vendor-advisory
- openSUSE-SU-2020:1147 vendor-advisory
- openSUSE-SU-2020:1148 vendor-advisory
- openSUSE-SU-2020:1155 vendor-advisory
- openSUSE-SU-2020:1172 vendor-advisory
- openSUSE-SU-2020:1179 vendor-advisory
- openSUSE-SU-2020:1189 vendor-advisory
- openSUSE-SU-2020:1205 vendor-advisory
- USN-4443-1 vendor-advisory
- openSUSE-SU-2020:1048 vendor-advisory
- DSA-4824 vendor-advisory
- GLSA-202101-30 vendor-advisory