# RHSA-2023:3588: thunderbird security update

RHSA-2023:3588, released June 14, 2023, fixes 2 CVEs in thunderbird (version 0:102.12.0-1.el8_8). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-3588
- Platform: Linux
- Released: Jun 14, 2023
- Priority: Urgent (Closes CVE-2023-34416, rated Critical)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:3588

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 8 | 0:102.12.0-1.el8_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-34416](https://patchblox.com/security/data/cve/CVE-2023-34416.md) | Urgent | Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. | 9.8 | 0.0093 |  |
| [CVE-2023-34414](https://patchblox.com/security/data/cve/CVE-2023-34414.md) | High | Mozilla Firefox and 4 others: The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses… | 9.8 | 0.0090 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo