CVE-2020-12100
HIGH7.5EPSS 19.6%dovecot - security update
Published: 8/12/2020Modified: 4/28/2026
Description
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
Affected packages (4)
- Alpine/dovecotfrom 0, < 2.3.11.3-r0
- Debian/dovecotfrom 0, < 1:2.3.11.3+dfsg1-1
- Debian/dovecotfrom 0, < 1:2.2.27-3+deb9u6
- Debian/dovecotfrom 0, < 1:2.3.4.1-5+deb10u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |