NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package dovecot  (opens in a new tab)


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EPSS
0.9% (83rd percentile)

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  • Snyk IDSNYK-UBUNTU1604-DOVECOT-612137
  • published10 Sept 2020
  • disclosed13 Dec 2019

Introduced: 13 Dec 2019

CVE-2019-19722  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dovecot package and not the dovecot package as distributed by Ubuntu.

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.