# CVE-2022-3559: exim4: A vulnerability was found in Exim and classified as problematic

CVE-2022-3559 is fixed in 6 products on 1 platform, first by exim4 4.90.1-1ubuntu1.10, released October 17, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-3559
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0505
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 17, 2022

## Description

A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | exim4 Debian 12.15 (bookworm) | 4.96-4 | [DEBIAN-CVE-2022-3559](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3559.md) | Oct 17, 2022 |
| Linux | exim4 Debian 13.5 (trixie) | 4.96-4 | [DEBIAN-CVE-2022-3559](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3559.md) | Oct 17, 2022 |
| Linux | exim4 Debian 14 | 4.96-4 | [DEBIAN-CVE-2022-3559](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3559.md) | Oct 17, 2022 |
| Linux | exim4 Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [exim4 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | exim4 Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [exim4 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | exim4 Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [exim4 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-exim4-4.95-4ubuntu2.2.md) | Oct 17, 2022 |
| Linux | exim4-base Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [exim4-base 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-base-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | exim4-base Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [exim4-base 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-base-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | exim4-base Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [exim4-base 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-exim4-base-4.95-4ubuntu2.2.md) | Oct 17, 2022 |
| Linux | exim4-config Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [exim4-config 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-config-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | exim4-config Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [exim4-config 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-config-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | exim4-config Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [exim4-config 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-exim4-config-4.95-4ubuntu2.2.md) | Oct 17, 2022 |
| Linux | exim4-daemon-heavy Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [exim4-daemon-heavy 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-daemon-heavy-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | exim4-daemon-heavy Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [exim4-daemon-heavy 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-daemon-heavy-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | exim4-daemon-heavy Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [exim4-daemon-heavy 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-exim4-daemon-heavy-4.95-4ubuntu2.2.md) | Oct 17, 2022 |
| Linux | exim4-daemon-light Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [exim4-daemon-light 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-exim4-daemon-light-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | exim4-daemon-light Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [exim4-daemon-light 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-exim4-daemon-light-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | exim4-daemon-light Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [exim4-daemon-light 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-exim4-daemon-light-4.95-4ubuntu2.2.md) | Oct 17, 2022 |
| Linux | eximon4 Ubuntu 18.04.6 LTS (bionic) | 4.90.1-1ubuntu1.10 | [eximon4 4.90.1-1ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-eximon4-4.90.1-1ubuntu1.10.md) | Oct 17, 2022 |
| Linux | eximon4 Ubuntu 20.04 LTS (focal) | 4.93-13ubuntu1.7 | [eximon4 4.93-13ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-eximon4-4.93-13ubuntu1.7.md) | Oct 17, 2022 |
| Linux | eximon4 Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.2 | [eximon4 4.95-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-eximon4-4.95-4ubuntu2.2.md) | Oct 17, 2022 |

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