# CVE-2022-37451: exim4: Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_m...

CVE-2022-37451 is fixed in exim4 on 1 platform, first by DEBIAN-CVE-2022-37451, released August 6, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-37451
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0329
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 6, 2022

## Description

Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | exim4 Debian 12.15 (bookworm) | 4.95-4 | [DEBIAN-CVE-2022-37451](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37451.md) | Aug 6, 2022 |
| Linux | exim4 Debian 13.5 (trixie) | 4.95-4 | [DEBIAN-CVE-2022-37451](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37451.md) | Aug 6, 2022 |
| Linux | exim4 Debian 14 | 4.95-4 | [DEBIAN-CVE-2022-37451](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37451.md) | Aug 6, 2022 |

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