# CVE-2019-8337: mpop: In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results ar...

CVE-2019-8337 is fixed in 2 products on 1 platform, first by mpop 1.4.3-1, released February 13, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-8337
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0092
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 13, 2019

## Description

In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mpop Ubuntu 20.04 LTS (focal) | 1.4.3-1 | [mpop 1.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mpop-1.4.3-1.md) | Feb 13, 2019 |
| Linux | mpop Ubuntu 24.10 (oracular) | 1.4.3-1 | [mpop 1.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mpop-1.4.3-1.md) | Jan 16, 2026 |
| Linux | mpop Ubuntu 25.04 (plucky) | 1.4.3-1 | [mpop 1.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-mpop-1.4.3-1.md) | Jan 16, 2026 |
| Linux | mpop-gnome Ubuntu 20.04 LTS (focal) | 1.4.3-1 | [mpop-gnome 1.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mpop-gnome-1.4.3-1.md) | Feb 13, 2019 |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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