# CVE-2022-1520: Mozilla Thunderbird and 1 other: Origin Validation Error

CVE-2022-1520 is fixed in 7 products on 2 platforms, first by Mozilla Thunderbird (en-US) 91.9.0, released May 2, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-1520
- Priority: High
- CVSS: 9.8 (Important)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 5, 2022
- Weakness: CWE-346: Origin Validation Error
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-1520

## Description

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Thunderbird (en-US) | 91.9.0 | [Mozilla Thunderbird (en-US) 91.9.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-91.9.0.md) | May 2, 2022 |
| Linux | thunderbird Debian 11.6 (bullseye) | 1:91.9.0-1~deb11u1 | [DSA-5141-1](https://patchblox.com/security/data/fix/linux/dsa-5141-1.md) | May 19, 2022 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:91.9.0-1 | [DEBIAN-CVE-2022-1520](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1520.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:91.9.0-1 | [DEBIAN-CVE-2022-1520](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1520.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 14 | 1:91.9.0-1 | [DEBIAN-CVE-2022-1520](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1520.md) | Dec 22, 2022 |
| Linux | thunderbird RHEL 8 | 0:91.9.0-3.el8_5 | [RHSA-2022:1730](https://patchblox.com/security/data/fix/linux/rhsa-2022-1730.md) | May 5, 2022 |
| Linux | thunderbird RHEL 9 | 0:91.9.0-3.el9_0 | [RHSA-2022:4589](https://patchblox.com/security/data/fix/linux/rhsa-2022-4589.md) | May 18, 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 | 91.9.0-3.el8_5.alma | [ALSA-2022:1730](https://patchblox.com/security/data/fix/linux/alsa-2022-1730.md) | May 5, 2022 |
| Linux | thunderbird ol 8 | 0:91.9.0-3.0.1.el8_5 | [ELSA-2022-1730](https://patchblox.com/security/data/fix/linux/elsa-2022-1730.md) | May 5, 2022 |
| Linux | thunderbird ol 9 | 0:91.9.0-3.0.1.el9_0 | [ELSA-2022-4589](https://patchblox.com/security/data/fix/linux/elsa-2022-4589.md) | Jun 30, 2022 |
| Linux | thunderbird rocky 8 | 0:91.9.0-3.el8_5 | [RLSA-2022:1730](https://patchblox.com/security/data/fix/linux/rlsa-2022-1730.md) | May 5, 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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