# CVE-2021-38371: exim4: exim4 - security update

CVE-2021-38371 is fixed in 6 products on 1 platform, first by exim4 4.90.1-1ubuntu1.10+esm4, released August 10, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-38371
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0200
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 10, 2021

## Description

exim4 - security update

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | exim4 Debian 11.6 (bullseye) | 4.94.2-7+deb11u4 | [DLA-3938-1](https://patchblox.com/security/data/fix/linux/dla-3938-1.md) | Oct 28, 2024 |
| Linux | exim4 Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [exim4 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | exim4 Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [exim4 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-4.93-13ubuntu1.11.md) | Aug 10, 2021 |
| Linux | exim4-base Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [exim4-base 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-base-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | exim4-base Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [exim4-base 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-base-4.93-13ubuntu1.11.md) | Aug 10, 2021 |
| Linux | exim4-config Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [exim4-config 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-config-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | exim4-config Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [exim4-config 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-config-4.93-13ubuntu1.11.md) | Aug 10, 2021 |
| Linux | exim4-daemon-heavy Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [exim4-daemon-heavy 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-daemon-heavy-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | exim4-daemon-heavy Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [exim4-daemon-heavy 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-daemon-heavy-4.93-13ubuntu1.11.md) | Aug 10, 2021 |
| Linux | exim4-daemon-light Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [exim4-daemon-light 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-daemon-light-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | exim4-daemon-light Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [exim4-daemon-light 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-daemon-light-4.93-13ubuntu1.11.md) | Aug 10, 2021 |
| Linux | eximon4 Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10+esm4 | [eximon4 4.90.1-1ubuntu1.10+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-eximon4-4.90.1-1ubuntu1.10-esm4.md) | Aug 10, 2021 |
| Linux | eximon4 Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.11 | [eximon4 4.93-13ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-eximon4-4.93-13ubuntu1.11.md) | Aug 10, 2021 |

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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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