# CVE-2022-1802: firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This...

CVE-2022-1802 is fixed in 10 products on 1 platform, first by firefox 100.0.2+build1-0ubuntu0.18.04.1, released May 22, 2022. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2022-1802
- Priority: Urgent
- CVSS: 8.8 (critical)
- EPSS: 0.2849
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 22, 2022

## Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This update upgrades Firefox to version 91.9.1 ESR.  Security Fix(es):  * Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529)  * Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox RHEL 8 | 0:91.9.1-1.el8_6 | [RHSA-2022:4776](https://patchblox.com/security/data/fix/linux/rhsa-2022-4776.md) | May 27, 2022 |
| Linux | firefox RHEL 9 | 0:91.9.1-1.el9_0 | [RHSA-2022:4765](https://patchblox.com/security/data/fix/linux/rhsa-2022-4765.md) | May 27, 2022 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 100.0.2+build1-0ubuntu0.18.04.1 | [firefox 100.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-100.0.2-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 100.0.2+build1-0ubuntu0.20.04.1 | [firefox 100.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-100.0.2-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | firefox almalinux 8 | 91.9.1-1.el8_6.alma | [ALSA-2022:4776](https://patchblox.com/security/data/fix/linux/alsa-2022-4776.md) | May 27, 2022 |
| Linux | firefox ol 8 | 0:91.9.1-1.0.1.el8_6 | [ELSA-2022-4776](https://patchblox.com/security/data/fix/linux/elsa-2022-4776.md) | May 30, 2022 |
| Linux | firefox ol 9 | 0:91.9.1-1.0.1.el9_0 | [ELSA-2022-4765](https://patchblox.com/security/data/fix/linux/elsa-2022-4765.md) | Jun 30, 2022 |
| Linux | firefox rocky 8 | 0:91.9.1-1.el8_6 | [RLSA-2022:4776](https://patchblox.com/security/data/fix/linux/rlsa-2022-4776.md) | May 27, 2022 |
| Linux | firefox-esr Debian 12.15 (bookworm) | 91.9.1esr-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | firefox-esr Debian 13.5 (trixie) | 91.9.1esr-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | firefox-esr Debian 14 | 91.9.1esr-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 100.0.2+build1-0ubuntu0.18.04.1 | [firefox-geckodriver 100.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-100.0.2-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 100.0.2+build1-0ubuntu0.20.04.1 | [firefox-geckodriver 100.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-100.0.2-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 100.0.2+build1-0ubuntu0.18.04.1 | [firefox-mozsymbols 100.0.2+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-100.0.2-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 100.0.2+build1-0ubuntu0.20.04.1 | [firefox-mozsymbols 100.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-100.0.2-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:91.10.0-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:91.10.0-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 14 | 1:91.10.0-1 | [DEBIAN-CVE-2022-1802](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1802.md) | Dec 22, 2022 |
| Linux | thunderbird RHEL 8 | 0:91.9.1-1.el8_6 | [RHSA-2022:4769](https://patchblox.com/security/data/fix/linux/rhsa-2022-4769.md) | May 27, 2022 |
| Linux | thunderbird RHEL 9 | 0:91.9.1-1.el9_0 | [RHSA-2022:4772](https://patchblox.com/security/data/fix/linux/rhsa-2022-4772.md) | May 27, 2022 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [thunderbird 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [thunderbird 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |
| Linux | thunderbird almalinux 8 | 91.9.1-1.el8_6.alma | [ALSA-2022:4769](https://patchblox.com/security/data/fix/linux/alsa-2022-4769.md) | May 27, 2022 |
| Linux | thunderbird ol 8 | 0:91.9.1-1.0.1.el8_6 | [ELSA-2022-4769](https://patchblox.com/security/data/fix/linux/elsa-2022-4769.md) | May 30, 2022 |
| Linux | thunderbird ol 9 | 0:91.9.1-1.0.1.el9_0 | [ELSA-2022-4772](https://patchblox.com/security/data/fix/linux/elsa-2022-4772.md) | Jun 30, 2022 |
| Linux | thunderbird rocky 8 | 0:91.9.1-1.el8_6 | [RLSA-2022:4769](https://patchblox.com/security/data/fix/linux/rlsa-2022-4769.md) | May 27, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:91.9.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:91.9.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-91.9.1-build1-0ubuntu0.18.04.1.md) | May 22, 2022 |
| Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:91.9.1+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:91.9.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-91.9.1-build1-0ubuntu0.20.04.1.md) | May 22, 2022 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:91.9.1+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:91.9.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-91.9.1-build1-0ubuntu0.22.04.1.md) | May 22, 2022 |

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