# CVE-2023-28427: thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.  This update upgrades Thunderbird to version 102.10.0....

CVE-2023-28427 is fixed in thunderbird on 1 platform, first by DEBIAN-CVE-2023-28427, released March 28, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-28427
- Priority: High
- CVSS: 8.2 (Important)
- EPSS: 0.0119
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 28, 2023

## Description

Mozilla Thunderbird is a standalone mail and newsgroup client.  This update upgrades Thunderbird to version 102.10.0.  Security Fix(es):  * Thunderbird: Revocation status of S/Mime recipient certificates was not checked (CVE-2023-0547)  * Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack (CVE-2023-28427)  * Mozilla: Fullscreen notification obscured (CVE-2023-29533)  * Mozilla: Potential Memory Corruption following Garbage Collector compaction (CVE-2023-29535)  * Mozilla: Invalid free from JavaScript code (CVE-2023-29536)  * Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10 (CVE-2023-29550)  * Mozilla: Memory Corruption in Safe Browsing Code (CVE-2023-1945)  * Thunderbird: Hang when processing certain OpenPGP messages (CVE-2023-29479)  * Mozilla: Content-Disposition filename truncation leads to Reflected File Download (CVE-2023-29539)  * Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux (CVE-2023-29541)  * Mozilla: Incorrect optimization result on ARM64 (CVE-2023-29548)  * MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp (BZ#2186102)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | thunderbird Debian 12.15 (bookworm) | 1:102.9.1-1 | [DEBIAN-CVE-2023-28427](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28427.md) | Mar 28, 2023 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:102.9.1-1 | [DEBIAN-CVE-2023-28427](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28427.md) | Mar 28, 2023 |
| Linux | thunderbird Debian 14 | 1:102.9.1-1 | [DEBIAN-CVE-2023-28427](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28427.md) | Mar 28, 2023 |
| Linux | thunderbird RHEL 8 | 0:102.10.0-2.el8_7 | [RHSA-2023:1802](https://patchblox.com/security/data/fix/linux/rhsa-2023-1802.md) | Apr 17, 2023 |
| Linux | thunderbird RHEL 9 | 0:102.10.0-2.el9_1 | [RHSA-2023:1809](https://patchblox.com/security/data/fix/linux/rhsa-2023-1809.md) | Apr 17, 2023 |
| Linux | thunderbird almalinux 8 | 102.10.0-2.el8_7.alma | [ALSA-2023:1802](https://patchblox.com/security/data/fix/linux/alsa-2023-1802.md) | Apr 17, 2023 |
| Linux | thunderbird almalinux 9 | 102.10.0-2.el9_1.alma | [ALSA-2023:1809](https://patchblox.com/security/data/fix/linux/alsa-2023-1809.md) | Apr 17, 2023 |
| Linux | thunderbird ol 8 | 0:102.10.0-2.0.1.el8_7 | [ELSA-2023-1802](https://patchblox.com/security/data/fix/linux/elsa-2023-1802.md) | Apr 18, 2023 |
| Linux | thunderbird ol 9 | 0:102.10.0-2.0.1.el9_1 | [ELSA-2023-1809](https://patchblox.com/security/data/fix/linux/elsa-2023-1809.md) | Apr 18, 2023 |
| Linux | thunderbird rocky 8 | 0:102.10.0-2.el8_7 | [RLSA-2023:1802](https://patchblox.com/security/data/fix/linux/rlsa-2023-1802.md) | Apr 26, 2023 |
| Linux | thunderbird rocky 9 | 0:102.10.0-2.el9_1 | [RLSA-2023:1809](https://patchblox.com/security/data/fix/linux/rlsa-2023-1809.md) | Apr 26, 2023 |

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Data as of 2026-11-09T01:18:40Z 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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