# RLSA-2022:1301: thunderbird security update

RLSA-2022:1301, released April 11, 2022, fixes 9 CVEs in thunderbird (version 0:91.8.0-1.el8_5). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2022-1301
- Platform: Linux
- Released: Apr 11, 2022
- Priority: High (Closes CVE-2022-24713, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2022:1301

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | rocky 8 | 0:91.8.0-1.el8_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-24713](https://patchblox.com/security/data/cve/CVE-2022-24713.md) | High | firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This... | 8.8 | 0.1446 |  |
| [CVE-2022-28281](https://patchblox.com/security/data/cve/CVE-2022-28281.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0278 |  |
| [CVE-2022-28282](https://patchblox.com/security/data/cve/CVE-2022-28282.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 8.8 | 0.0218 |  |
| [CVE-2022-1097](https://patchblox.com/security/data/cve/CVE-2022-1097.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 8.8 | 0.0095 |  |
| [CVE-2022-28285](https://patchblox.com/security/data/cve/CVE-2022-28285.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Read | 8.8 | 0.0079 |  |
| [CVE-2022-1196](https://patchblox.com/security/data/cve/CVE-2022-1196.md) | High | Mozilla Thunderbird and 1 other: Use After Free | 8.8 | 0.0075 |  |
| [CVE-2022-28289](https://patchblox.com/security/data/cve/CVE-2022-28289.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0074 |  |
| [CVE-2022-28286](https://patchblox.com/security/data/cve/CVE-2022-28286.md) | High | Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames | 8.8 | 0.0058 |  |
| [CVE-2022-1197](https://patchblox.com/security/data/cve/CVE-2022-1197.md) | High | Mozilla Thunderbird and 1 other: Improper Certificate Validation | 8.8 | 0.0040 |  |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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