# CVE-2022-28285: Mozilla Thunderbird and 4 others: Out-of-bounds Read CVE-2022-28285 is fixed in 14 products on 2 platforms, first by Mozilla Firefox (en-US) 99.0, released April 5, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-28285 - Priority: High - CVSS: 8.8 (Important) - EPSS: 0.0079 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 5, 2022 - Weakness: CWE-125: Out-of-bounds Read - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-28285 ## Description When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Mozilla Firefox (en-US) | 99.0 | [Mozilla Firefox (en-US) 99.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-99.0.md) | Apr 5, 2022 | | Windows apps | Mozilla Firefox ESR (en-US) | 102.0 | [Mozilla Firefox ESR (en-US) 102.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-102.0.md) | Jun 23, 2022 | | Windows apps | Mozilla Thunderbird (en-US) | 91.8.0 | [Mozilla Thunderbird (en-US) 91.8.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-91.8.0.md) | Apr 5, 2022 | | Linux | firefox RHEL 8 | 0:91.8.0-1.el8_5 | [RHSA-2022:1287](https://patchblox.com/security/data/fix/linux/rhsa-2022-1287.md) | Apr 8, 2022 | | Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 99.0+build2-0ubuntu0.18.04.2 | [firefox 99.0+build2-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-99.0-build2-0ubuntu0.18.04.2.md) | Apr 6, 2022 | | Linux | firefox Ubuntu 20.04 LTS (focal) | 99.0+build2-0ubuntu0.20.04.2 | [firefox 99.0+build2-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-99.0-build2-0ubuntu0.20.04.2.md) | Apr 6, 2022 | | Linux | firefox Ubuntu 22.04.1 LTS (jammy) | 1:1snap1-0ubuntu1 | [firefox 1:1snap1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-1-1snap1-0ubuntu1.md) | Apr 6, 2022 | | Linux | firefox almalinux 8 | 91.8.0-1.el8_5.alma | [ALSA-2022:1287](https://patchblox.com/security/data/fix/linux/alsa-2022-1287.md) | Apr 8, 2022 | | Linux | firefox ol 8 | 0:91.8.0-1.0.1.el8_5 | [ELSA-2022-1287](https://patchblox.com/security/data/fix/linux/elsa-2022-1287.md) | Apr 8, 2022 | | Linux | firefox rocky 8 | 0:91.8.0-1.el8_5 | [RLSA-2022:1287](https://patchblox.com/security/data/fix/linux/rlsa-2022-1287.md) | Apr 8, 2022 | | Linux | firefox-esr Debian 12.15 (bookworm) | 91.8.0esr-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | firefox-esr Debian 13.5 (trixie) | 91.8.0esr-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | firefox-esr Debian 14 | 91.8.0esr-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 99.0+build2-0ubuntu0.18.04.2 | [firefox-geckodriver 99.0+build2-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-99.0-build2-0ubuntu0.18.04.2.md) | Apr 6, 2022 | | Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 99.0+build2-0ubuntu0.20.04.2 | [firefox-geckodriver 99.0+build2-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-99.0-build2-0ubuntu0.20.04.2.md) | Apr 6, 2022 | | Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 99.0+build2-0ubuntu0.18.04.2 | [firefox-mozsymbols 99.0+build2-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-99.0-build2-0ubuntu0.18.04.2.md) | Apr 6, 2022 | | Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 99.0+build2-0ubuntu0.20.04.2 | [firefox-mozsymbols 99.0+build2-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-99.0-build2-0ubuntu0.20.04.2.md) | Apr 6, 2022 | | Linux | libmozjs-91-0 Ubuntu 22.04.1 LTS (jammy) | 91.10.0-0ubuntu1 | [libmozjs-91-0 91.10.0-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libmozjs-91-0-91.10.0-0ubuntu1.md) | May 31, 2022 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:91.8.0-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | thunderbird Debian 13.5 (trixie) | 1:91.8.0-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | thunderbird Debian 14 | 1:91.8.0-1 | [DEBIAN-CVE-2022-28285](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28285.md) | Dec 22, 2022 | | Linux | thunderbird RHEL 8 | 0:91.8.0-1.el8_5 | [RHSA-2022:1301](https://patchblox.com/security/data/fix/linux/rhsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | thunderbird almalinux 8 | 91.8.0-1.el8_5.alma | [ALSA-2022:1301](https://patchblox.com/security/data/fix/linux/alsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird ol 8 | 0:91.8.0-1.0.1.el8_5 | [ELSA-2022-1301](https://patchblox.com/security/data/fix/linux/elsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird rocky 8 | 0:91.8.0-1.el8_5 | [RLSA-2022:1301](https://patchblox.com/security/data/fix/linux/rlsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | --- Data as of 2026-11-08T00:53:09Z UTC. 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