🛡️ CVE-2025-30232 — exim

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-416 NVD

8.1

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-30232 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.

Affected software

CVE-2025-30232 is recorded against 1 package.

exim (from 4.96 up to 4.98.1)

Timeline and source

Published on 28 March 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.exim.org
www.openwall.com

CVE-2025-30232 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity HIGH

CVSS Score 8.1

CVSS Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE CWE-416

Public Exploit ✅ No

Source NVD

Published 2025-03-28

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
exim	4.96	4.98.1

References

Vendor Advisory https://www.exim.org/static/doc/security/CVE-2025-30232.txt

Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2025/03/26/1

🔗 NVD 🔗 Mitre

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