# RHSA-2025:4169: thunderbird security update

RHSA-2025:4169, released April 24, 2025, fixes 3 CVEs in thunderbird (version 0:128.9.0-2.el9_5). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-4169
- Platform: Linux
- Released: Apr 24, 2025
- Priority: High (Closes CVE-2025-3028, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:4169

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 9 | 0:128.9.0-2.el9_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-3028](https://patchblox.com/security/data/cve/CVE-2025-3028.md) | High | Use-after-free triggered by XSLTProcessor | 8.8 | 0.0087 |  |
| [CVE-2025-3030](https://patchblox.com/security/data/cve/CVE-2025-3030.md) | High | Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9 | 8.8 | 0.0051 |  |
| [CVE-2025-3029](https://patchblox.com/security/data/cve/CVE-2025-3029.md) | High | URL Bar Spoofing via non-BMP Unicode characters | 8.8 | 0.0036 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo