CVE-2019-19722

MEDIUM

Dovecot < 2.3.9.2 - Denial of Service via NULL Pointer Dereference in Push Notification Driver

Title source: llm
STIX 2.1

Description

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_confirm
https://dovecot.org/security.html
Mailing List, Third Party Advisory x_refsource_confirm
http://www.openwall.com/lists/oss-security/2019/12/13/3

Scores

CVSS v3 5.3
EPSS 0.0248
EPSS Percentile 82.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-476
Status published
Products (3)
dovecot/dovecot < 2.3.9.2
fedoraproject/fedora 30
fedoraproject/fedora 31
Published Dec 13, 2019
Tracked Since Feb 18, 2026