| Name | CVE-2019-3807 |
| Description | An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns-recursor (PTS) | jessie, jessie (lts) | 3.6.2-2+deb8u4 | fixed |
| buster (security), buster, buster (lts) | 4.1.11-1+deb10u2 | fixed |
| bullseye | 4.4.2-3 | fixed |
| bookworm (security), bookworm | 4.8.8-1 | fixed |
| sid, trixie | 5.1.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - pdns-recursor <not-affected> (Only affects 4.1.x)
[jessie] - pdns-recursor <not-affected> (Only affects 4.1.x)
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html