# RHSA-2022:6175: firefox security update

RHSA-2022:6175, released August 24, 2022, fixes 5 CVEs in firefox (version 0:91.13.0-1.el8_6). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-6175
- Platform: Linux
- Released: Aug 24, 2022
- Priority: High (Closes CVE-2022-38478, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:6175

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | RHEL 8 | 0:91.13.0-1.el8_6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-38478](https://patchblox.com/security/data/cve/CVE-2022-38478.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0094 |  |
| [CVE-2022-38477](https://patchblox.com/security/data/cve/CVE-2022-38477.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0093 |  |
| [CVE-2022-38476](https://patchblox.com/security/data/cve/CVE-2022-38476.md) | High | Mozilla Thunderbird and 1 other: Use After Free | 8.8 | 0.0086 |  |
| [CVE-2022-38473](https://patchblox.com/security/data/cve/CVE-2022-38473.md) | High | Mozilla Thunderbird and 4 others: Improper Preservation of Permissions | 8.8 | 0.0074 |  |
| [CVE-2022-38472](https://patchblox.com/security/data/cve/CVE-2022-38472.md) | High | Mozilla Thunderbird and 4 others: Origin Validation Error | 8.8 | 0.0039 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo