SB2016080945 - Fedora 23 update for knot



SB2016080945 - Fedora 23 update for knot

Published: August 9, 2016 Updated: April 24, 2025

Security Bulletin ID SB2016080945
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2016-6171)

The vulnerability allows a remote non-authenticated attacker to a crash the entire system.

Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.


Remediation

Install update from vendor's website.