# RHSA-2022:1730: thunderbird security update

RHSA-2022:1730, released May 5, 2022, fixes 8 CVEs in thunderbird (version 0:91.9.0-3.el8_5). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-1730
- Platform: Linux
- Released: May 5, 2022
- Priority: High (Closes CVE-2022-29917, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:1730

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 8 | 0:91.9.0-3.el8_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-29917](https://patchblox.com/security/data/cve/CVE-2022-29917.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 9.8 | 0.0105 |  |
| [CVE-2022-29909](https://patchblox.com/security/data/cve/CVE-2022-29909.md) | High | Mozilla Thunderbird and 4 others: Incorrect Default Permissions | 9.8 | 0.0089 |  |
| [CVE-2022-29916](https://patchblox.com/security/data/cve/CVE-2022-29916.md) | High | Mozilla Thunderbird and 4 others: Exposure of Sensitive Information to an Unauthorized Actor | 9.8 | 0.0076 |  |
| [CVE-2022-29912](https://patchblox.com/security/data/cve/CVE-2022-29912.md) | High | Mozilla Thunderbird and 4 others: URL Redirection to Untrusted Site ('Open Redirect') | 9.8 | 0.0068 |  |
| [CVE-2022-29914](https://patchblox.com/security/data/cve/CVE-2022-29914.md) | High | Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames | 9.8 | 0.0066 |  |
| [CVE-2022-29911](https://patchblox.com/security/data/cve/CVE-2022-29911.md) | High | Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames | 9.8 | 0.0061 |  |
| [CVE-2022-29913](https://patchblox.com/security/data/cve/CVE-2022-29913.md) | High | Mozilla Thunderbird and 1 other: Improper Authorization | 9.8 | 0.0046 |  |
| [CVE-2022-1520](https://patchblox.com/security/data/cve/CVE-2022-1520.md) | High | Mozilla Thunderbird and 1 other: Origin Validation Error | 9.8 | 0.0028 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo