SB2019082832 - Fedora 29 update for bind, bind-dyndb-ldap, dhcp, dnsperf



SB2019082832 - Fedora 29 update for bind, bind-dyndb-ldap, dhcp, dnsperf

Published: August 28, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019082832
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 security vulnerability.


1) Race condition (CVE-ID: CVE-2019-6471)

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

The vulnerability exists due to a race condition when processing DNS requests in dispatch.c. A remote attacker can send specially crafted DNS packets to the affected daemon, trigger a REQUIRE assertion failure and crash the DNS server.

Remediation

Install update from vendor's website.