# CVE-2025-30232: exim4: A use-after-free in Exim 4.96 through 4.98.1 could allow users (withcommand-line access) to escalate privileges.

CVE-2025-30232 is fixed in 6 products on 1 platform, first by DSA-5887-1, released March 26, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-30232
- Priority: High
- CVSS: 7.8 (Medium)
- EPSS: 0.0053
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 26, 2025

## Description

A use-after-free in Exim 4.96 through 4.98.1 could allow users (withcommand-line access) to escalate privileges.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | exim4 Debian 12.15 (bookworm) | 4.96-15+deb12u7 | [DSA-5887-1](https://patchblox.com/security/data/fix/linux/dsa-5887-1.md) | Mar 26, 2025 |
| Linux | exim4 Debian 13.5 (trixie) | 4.98.1-2 | [DEBIAN-CVE-2025-30232](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30232.md) | Mar 28, 2025 |
| Linux | exim4 Debian 14 | 4.98.1-2 | [DEBIAN-CVE-2025-30232](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30232.md) | Mar 28, 2025 |
| Linux | exim4 Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [exim4 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-exim4-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | exim4 Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [exim4 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-exim4-4.98-1ubuntu2.1.md) | Jan 16, 2026 |
| Linux | exim4-base Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [exim4-base 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-exim4-base-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | exim4-base Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [exim4-base 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-exim4-base-4.98-1ubuntu2.1.md) | Jan 16, 2026 |
| Linux | exim4-config Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [exim4-config 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-exim4-config-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | exim4-config Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [exim4-config 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-exim4-config-4.98-1ubuntu2.1.md) | Jan 16, 2026 |
| Linux | exim4-daemon-heavy Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [exim4-daemon-heavy 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-exim4-daemon-heavy-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | exim4-daemon-heavy Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [exim4-daemon-heavy 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-exim4-daemon-heavy-4.98-1ubuntu2.1.md) | Jan 16, 2026 |
| Linux | exim4-daemon-light Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [exim4-daemon-light 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-exim4-daemon-light-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | exim4-daemon-light Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [exim4-daemon-light 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-exim4-daemon-light-4.98-1ubuntu2.1.md) | Jan 16, 2026 |
| Linux | eximon4 Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.3 | [eximon4 4.97-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-eximon4-4.97-4ubuntu4.3.md) | Mar 26, 2025 |
| Linux | eximon4 Ubuntu 24.10 (oracular) | 4.98-1ubuntu2.1 | [eximon4 4.98-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-eximon4-4.98-1ubuntu2.1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z 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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