CVE-2016-7073: Debian Linux

Medium severity, CVSS 5.9. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4, allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check of the TSIG time and fudge values was found in AXFRRetriever, leading to a possible replay attack.

Affected products

• Debian Debian Linux: version 8.0 only
• Powerdns Authoritative: before 3.4.11 (fixed in 3.4.11); from 4.0.0, before 4.0.2 (fixed in 4.0.2)
• Powerdns Recursor: before 3.7.4 (fixed in 3.7.4); from 4.0.0, before 4.0.4 (fixed in 4.0.4)

Published 2018-09-11. Last modified 2026-06-17.