# CVE-2020-16044: Chromium CVE-2020-16044: Use after free in WebRTC

CVE-2020-16044 is fixed in 9 products on 1 platform, first by firefox 84.0.2+build1-0ubuntu0.18.04.1, released January 7, 2021. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-16044
- Priority: Urgent
- CVSS: 8.8 (Critical)
- EPSS: 0.0132
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 7, 2021
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-16044

## Description

<p>This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2021">Google Chrome Releases</a> for more information.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox RHEL 8 | 0:78.6.1-1.el8_3 | [RHSA-2021:0052](https://patchblox.com/security/data/fix/linux/rhsa-2021-0052.md) | Jan 11, 2021 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 84.0.2+build1-0ubuntu0.18.04.1 | [firefox 84.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-84.0.2-build1-0ubuntu0.18.04.1.md) | Jan 7, 2021 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 84.0.2+build1-0ubuntu0.20.04.1 | [firefox 84.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-84.0.2-build1-0ubuntu0.20.04.1.md) | Jan 7, 2021 |
| Linux | firefox ol 8 | 0:78.6.1-1.0.1.el8_3 | [ELSA-2021-0052](https://patchblox.com/security/data/fix/linux/elsa-2021-0052.md) | Jan 11, 2021 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 84.0.2+build1-0ubuntu0.18.04.1 | [firefox-geckodriver 84.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-84.0.2-build1-0ubuntu0.18.04.1.md) | Jan 7, 2021 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 84.0.2+build1-0ubuntu0.20.04.1 | [firefox-geckodriver 84.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-84.0.2-build1-0ubuntu0.20.04.1.md) | Jan 7, 2021 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 84.0.2+build1-0ubuntu0.18.04.1 | [firefox-mozsymbols 84.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-84.0.2-build1-0ubuntu0.18.04.1.md) | Jan 7, 2021 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 84.0.2+build1-0ubuntu0.20.04.1 | [firefox-mozsymbols 84.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-84.0.2-build1-0ubuntu0.20.04.1.md) | Jan 7, 2021 |
| Linux | thunderbird RHEL 8 | 0:78.6.1-1.el8_3 | [RHSA-2021:0089](https://patchblox.com/security/data/fix/linux/rhsa-2021-0089.md) | Jan 13, 2021 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [thunderbird 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |
| Linux | thunderbird ol 8 | 0:78.6.1-1.0.1.el8_3 | [ELSA-2021-0089](https://patchblox.com/security/data/fix/linux/elsa-2021-0089.md) | Jan 14, 2021 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:78.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:78.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-78.8.1-build1-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:78.7.1+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:78.7.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-78.7.1-build1-0ubuntu0.20.04.1.md) | Jan 25, 2021 |

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