CVE-2019-19722

Published: Dec 13, 2019Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitability: 3.9 / Impact: 1.4

Source: NVD

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.

Affected (3)

Products: Dovecot: Dovecot · Fedoraproject: Fedora

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Dovecot Dovecot	Before 2.3.9.2

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 30
Fedoraproject Fedora	Version 31

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (12)

http://www.openwall.com/lists/oss-security/2019/12/13/3

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://dovecot.org/list/dovecot-news/2019-December/000428.html

Source: cve@mitre.org

Vendor Advisory

https://dovecot.org/pipermail/dovecot-news/2019-December/000428.html

Source: cve@mitre.org

Vendor Advisory

https://dovecot.org/security.html

Source: cve@mitre.org

Vendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2019/12/13/3