Exim fixes 1 vulnerability

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[TLP:CLEAR] Exim fixes 1 vulnerability

Exim fixes 1 vulnerability in version 4.98.2 [1]. Exim is the default MTA (Mail Transfer Agent) for Debian and its derived distributions [4]. Debian has not released a fix only for Bookworm stable; the other Debian and Ubuntu releases are either fixed or not affected by the vulnerability. Gentoo has not yet released a fix [5]. Individual OS releases and their fixed versions: Debian [2]: bookworm (security) - 4.96-15+deb12u7 sid, trixie - 4.98.1-2 Ubuntu [3]: oracular - 4.98-1ubuntu2.1 noble - 4.97-4ubuntu4.3

Exim - use-after-free (CVE-2025-30232)

CVSS 7.8 (High)

An authenticated local attacker with command-line access can use memory after it has been freed, which may potentially lead to privilege escalation [5].

The vulnerability is present in product:

Exim; >=4.96, <4.98.2;

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

More information:

CVE-2025-30232 at cve.org, NVD
CWE-416: Use After Free at cwe.mitre.org

The vulnerability was publicly disclosed 27. 3. 2025.

Links

By CESNET, z.s.p.o. Martin Krajči on 27. 3. 2025.

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[TLP:CLEAR] Exim fixes 1 vulnerability

Exim - use-after-free (CVE-2025-30232)

CVSS 7.8 (High)

Links