# RHSA-2023:1403: thunderbird security update

RHSA-2023:1403, released March 22, 2023, fixes 5 CVEs in thunderbird (version 0:102.9.0-1.el8_7). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-1403
- Platform: Linux
- Released: Mar 22, 2023
- Priority: High (Closes CVE-2023-28176, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:1403

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 8 | 0:102.9.0-1.el8_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28176](https://patchblox.com/security/data/cve/CVE-2023-28176.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 8.8 | 0.0072 |  |
| [CVE-2023-28162](https://patchblox.com/security/data/cve/CVE-2023-28162.md) | High | Mozilla Firefox and 4 others: Access of Resource Using Incompatible Type ('Type Confusion') | 8.8 | 0.0070 |  |
| [CVE-2023-25751](https://patchblox.com/security/data/cve/CVE-2023-25751.md) | High | Mozilla Firefox and 4 others: Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be… | 7.5 | 0.0069 |  |
| [CVE-2023-25752](https://patchblox.com/security/data/cve/CVE-2023-25752.md) | High | Mozilla Firefox and 4 others: When accessing throttled streams, the count of available bytes needed to be checked in the calling function… | 7.5 | 0.0061 |  |
| [CVE-2023-28164](https://patchblox.com/security/data/cve/CVE-2023-28164.md) | High | Mozilla Firefox and 4 others: Origin Validation Error | 7.5 | 0.0035 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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