CVE-2024-39929
MEDIUM5.4EPSS 60.3%exim4 - security update
Published: 7/4/2024Modified: 4/28/2026
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.
Affected packages (2)
- Debian/exim4from 0, < 4.94.2-7+deb11u3
- Debian/exim4from 0, < 4.94.2-7+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |