Rapid7

vulnerability

Ubuntu: USN-6939-1 (CVE-2024-39929): Exim vulnerability

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Jul 4, 2024
Added
Aug 1, 2024
Modified
Apr 16, 2026

Description

Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users.

Solutions

ubuntu-pro-upgrade-exim4ubuntu-pro-upgrade-exim4-baseubuntu-pro-upgrade-eximon4ubuntu-upgrade-exim4ubuntu-upgrade-exim4-baseubuntu-upgrade-eximon4
Title
Rapid7 Labs

2026 Global Threat Landscape Report

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