# CVE-2022-45420: Mozilla Firefox and 4 others: Improper Restriction of Rendered UI Layers or Frames CVE-2022-45420 is fixed in 11 products on 2 platforms, first by Mozilla Firefox (en-US) 107.0, released November 15, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-45420 - Priority: High - CVSS: 9.8 (Important) - EPSS: 0.0061 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 15, 2022 - Weakness: CWE-1021: Improper Restriction of Rendered UI Layers or Frames - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-45420 ## Description Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Mozilla Firefox (en-US) | 107.0 | [Mozilla Firefox (en-US) 107.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-107.0.md) | Nov 15, 2022 | | Windows apps | Mozilla Firefox ESR (en-US) | 115.4.0 | [Mozilla Firefox ESR (en-US) 115.4.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-115.4.0.md) | Oct 17, 2023 | | Windows apps | Mozilla Thunderbird (en-US) | 102.6.0 | [Mozilla Thunderbird (en-US) 102.6.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-102.6.0.md) | Dec 12, 2022 | | Linux | firefox RHEL 8 | 0:102.5.0-1.el8_7 | [RHSA-2022:8554](https://patchblox.com/security/data/fix/linux/rhsa-2022-8554.md) | Nov 21, 2022 | | Linux | firefox RHEL 9 | 0:102.5.0-1.el9_1 | [RHSA-2022:8580](https://patchblox.com/security/data/fix/linux/rhsa-2022-8580.md) | Nov 22, 2022 | | Linux | firefox almalinux 8 | 102.5.0-1.el8_7.alma | [ALSA-2022:8554](https://patchblox.com/security/data/fix/linux/alsa-2022-8554.md) | Nov 21, 2022 | | Linux | firefox almalinux 9 | 102.5.0-1.el9_1.alma | [ALSA-2022:8580](https://patchblox.com/security/data/fix/linux/alsa-2022-8580.md) | Nov 22, 2022 | | Linux | firefox ol 8 | 0:102.5.0-1.0.1.el8_7 | [ELSA-2022-8554](https://patchblox.com/security/data/fix/linux/elsa-2022-8554.md) | Nov 22, 2022 | | Linux | firefox ol 9 | 0:102.5.0-1.0.1.el9_1 | [ELSA-2022-8580](https://patchblox.com/security/data/fix/linux/elsa-2022-8580.md) | Nov 24, 2022 | | Linux | firefox rocky 8 | 0:102.5.0-1.el8_7 | [RLSA-2022:8554](https://patchblox.com/security/data/fix/linux/rlsa-2022-8554.md) | Nov 21, 2022 | | Linux | firefox-esr Debian 12.15 (bookworm) | 102.5.0esr-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | firefox-esr Debian 13.5 (trixie) | 102.5.0esr-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | firefox-esr Debian 14 | 102.5.0esr-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:102.5.0-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | thunderbird Debian 13.5 (trixie) | 1:102.5.0-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | thunderbird Debian 14 | 1:102.5.0-1 | [DEBIAN-CVE-2022-45420](https://patchblox.com/security/data/fix/linux/debian-cve-2022-45420.md) | Dec 22, 2022 | | Linux | thunderbird RHEL 8 | 0:102.5.0-2.el8_7 | [RHSA-2022:8547](https://patchblox.com/security/data/fix/linux/rhsa-2022-8547.md) | Nov 21, 2022 | | Linux | thunderbird RHEL 9 | 0:102.5.0-2.el9_1 | [RHSA-2022:8561](https://patchblox.com/security/data/fix/linux/rhsa-2022-8561.md) | Nov 21, 2022 | | Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [thunderbird 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [thunderbird 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [thunderbird 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | | Linux | thunderbird almalinux 8 | 102.5.0-2.el8_7.alma | [ALSA-2022:8547](https://patchblox.com/security/data/fix/linux/alsa-2022-8547.md) | Nov 21, 2022 | | Linux | thunderbird almalinux 9 | 102.5.0-2.el9_1.alma | [ALSA-2022:8561](https://patchblox.com/security/data/fix/linux/alsa-2022-8561.md) | Nov 21, 2022 | | Linux | thunderbird ol 8 | 0:102.5.0-2.0.1.el8_7 | [ELSA-2022-8547](https://patchblox.com/security/data/fix/linux/elsa-2022-8547.md) | Nov 22, 2022 | | Linux | thunderbird ol 9 | 0:102.5.0-2.0.1.el9_1 | [ELSA-2022-8561](https://patchblox.com/security/data/fix/linux/elsa-2022-8561.md) | Nov 24, 2022 | | Linux | thunderbird rocky 8 | 0:102.5.0-2.el8_7 | [RLSA-2022:8547](https://patchblox.com/security/data/fix/linux/rlsa-2022-8547.md) | Nov 21, 2022 | | Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | | Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:102.7.1+build2-0ubuntu0.18.04.1 | [xul-ext-lightning 1:102.7.1+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.18.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:102.7.1+build2-0ubuntu0.20.04.1 | [xul-ext-lightning 1:102.7.1+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.20.04.1.md) | Jan 17, 2023 | | Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:102.7.1+build2-0ubuntu0.22.04.1 | [xul-ext-lightning 1:102.7.1+build2-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-102.7.1-build2-0ubuntu0.22.04.1.md) | Jan 17, 2023 | --- Data as of 2026-11-08T19:12:23Z UTC. 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