# RHSA-2023:4064: thunderbird security update

RHSA-2023:4064, released July 13, 2023, fixes 5 CVEs in thunderbird (version 0:102.13.0-2.el9_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-4064
- Platform: Linux
- Released: Jul 13, 2023
- Priority: High (Closes CVE-2023-37202, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:4064

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 9 | 0:102.13.0-2.el9_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-37201](https://patchblox.com/security/data/cve/CVE-2023-37201.md) | High | Mozilla Firefox and 4 others: An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. | 8.8 | 0.0076 |  |
| [CVE-2023-37202](https://patchblox.com/security/data/cve/CVE-2023-37202.md) | High | Mozilla Firefox and 4 others: Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments… | 8.8 | 0.0076 |  |
| [CVE-2023-37211](https://patchblox.com/security/data/cve/CVE-2023-37211.md) | High | Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. | 8.8 | 0.0075 |  |
| [CVE-2023-37207](https://patchblox.com/security/data/cve/CVE-2023-37207.md) | High | Mozilla Firefox and 4 others: A website could have obscured the fullscreen notification by using a URL with a scheme handled by an… | 8.8 | 0.0074 |  |
| [CVE-2023-37208](https://patchblox.com/security/data/cve/CVE-2023-37208.md) | High | Mozilla Firefox and 4 others: Unrestricted Upload of File with Dangerous Type | 8.8 | 0.0023 |  |

---

Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo