CVE-2024-39929

exim: exim: Incorrect parsing of multiline rfc2231 header filename

Published Jul 4, 2024 CVSS 3.1 · 5.4 Medium EPSS 41.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5728-1 exim4 security update
Ubuntu USN Ubuntu USN USN-6939-1 Exim vulnerability
History
Type Values Removed Values Added
Metrics epss

{'score': 0.33449}

epss

{'score': 0.39994}

Type Values Removed Values Added
First Time appeared Exim
Exim exim
Weaknesses CWE-116
CPEs cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Vendors & Products Exim
Exim exim
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 18, 2025, 3:37 PM
Reserved
Jul 4, 2024, 12:00 AM
Status
Analyzed
Published
Jul 4, 2024, 3:15 PM
Modified
Jun 17, 2026, 7:43 AM
Severity
Important
Public date
Jul 4, 2024, 12:00 AM