Medium severity6.5NVD Advisory· Published Aug 28, 2026· Updated Sep 3, 2026
CVE-2026-73209
CVE-2026-73209
Description
An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust its stack and crash. The affected process is terminated, which can cause degradation or denial of service for IMAP. Update to non-vulnerable version. No publicly available exploits are known.
Affected products
3- osv-coords2 versionspkg:rpm/opensuse/dovecot24&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/dovecot24&distro=openSUSE%20Tumbleweed
< 2.4.4-160000.2.1+ 1 more
- (no CPE)range: < 2.4.4-160000.2.1
- (no CPE)range: < 2.4.5-1.1
Patches
Vulnerability mechanics
References
1News mentions
1- Dovecot: 17 Vulnerabilities Including Critical Flaws Disclosed Together on August 28, 2026Vypr Intelligence · Aug 28, 2026