CVE-2019-25031: Debian Linux

Medium severity, CVSS 5.9. EPSS: 1.3% chance of exploitation in the next 30 days.

Unbound before 1.9.5 allows configuration injection in create_unbound_ad_servers.sh upon a successful man-in-the-middle attack against a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. create_unbound_ad_servers.sh is a contributed script from the community that facilitates automatic configuration creation. It is not part of the Unbound installation

Affected products

  • Debian Debian Linux: version 9.0 only
  • Nlnetlabs Unbound: before 1.9.5 (fixed in 1.9.5)

Published 2021-04-27. Last modified 2026-08-25.