# DSA-5385-1: firefox-esr security update

DSA-5385-1, released April 12, 2023, fixes 1 CVE in firefox-esr (version 102.10.0esr-1~deb11u1). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5385-1
- Platform: Linux
- Released: Apr 12, 2023
- Priority: Routine (Closes CVE-2023-1945)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-1945

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox-esr](https://patchblox.com/security/data/product/linux/firefox-esr.md) | Debian 11.6 (bullseye) | 102.10.0esr-1~deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-1945](https://patchblox.com/security/data/cve/CVE-2023-1945.md) | Routine | Mozilla Thunderbird and 1 other: Out-of-bounds Write | 6.5 | 0.0064 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo