SB2019123010 - Fedora 30 update for dovecot



SB2019123010 - Fedora 30 update for dovecot

Published: December 30, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019123010
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2019-19722)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when parsing group emails or empty values in From/To email fields in "src/plugins/push-notification/push-notification-event-message-common.c". A remote attacker can send an email with a group email address or an empty value in From or To fields and crash push notification drivers.


Remediation

Install update from vendor's website.