CVE catalog

CVE-2019-3807

pdns-recursor: CVE-2019-3807

[CVE catalog]

Severity
Critical · CVSS 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.37% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianpdns-recursorsid5.4.9-1fixed
Debianpdns-recursorforky5.4.8-1fixed
Debianpdns-recursortrixie5.2.13-0+deb13u1fixed
Debianpdns-recursortrixie-security5.2.13-0+deb13u1fixed
Debianpdns-recursorbookworm4.8.8-1+deb12u1fixed
Debianpdns-recursorbookworm-security4.8.8-1+deb12u1fixed
Susepdns-recursorpackage hub 154.1.2-bp150.2.6.1fixed
Ubuntupdns-recursorpro4.0.6-1vulnerable
Ubuntupdns-recursorpro4.0.6-1build1vulnerable
Ubuntupdns-recursorpro4.0.7-1vulnerable
Ubuntupdns-recursorpro4.1.1-1vulnerable
Ubuntupdns-recursorpro4.1.1-1build1vulnerable
Ubuntupdns-recursorpro4.1.1-2vulnerable
Ubuntupdns-recursorpro4.1.1-2ubuntu0.1~esm1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianpdns-recursorsourcesid4.1.9-1not yet assignedNot reportedNot reported
Debianpdns-recursorsourceforky4.1.9-1not yet assignedNot reportedNot reported
Debianpdns-recursorsourcetrixie4.1.9-1not yet assignedNot reportedNot reported
Debianpdns-recursorsourcebookworm4.1.9-1not yet assignedNot reportedNot reported
Susepdns-recursorrpmpackage hub 154.1.2-bp150.2.6.1Not reportedOPENSUSE-SU-2019:0107-1Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [pdns-recursor]Unknown
    Details (4)
    • 4.8.8-1+deb12u1 · amd64 · bookworm

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · bookworm; dsa · pdns-recursor · debian · 12

    • 4.8.8-1+deb12u1 · arm64 · bookworm

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · bookworm; dsa · pdns-recursor · debian · 12

    • 4.8.8-1+deb12u1 · amd64 · bookworm-security

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · bookworm; dsa · pdns-recursor · debian · 12

    • 4.8.8-1+deb12u1 · arm64 · bookworm-security

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · bookworm; dsa · pdns-recursor · debian · 12

[Debian 13 (Trixie)]

  • [pdns-recursor]Unknown
    Details (4)
    • 5.2.11-0+deb13u1 · amd64 · trixie

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · 13

    • 5.2.11-0+deb13u1 · arm64 · trixie

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · 13

    • 5.2.13-0+deb13u1 · amd64 · trixie-security

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · 13

    • 5.2.13-0+deb13u1 · arm64 · trixie-security

      Fixed · Fixed: 4.1.9-1

      dsa · pdns-recursor · debian · 13

Observed:

References