Nixpkgs security tracker

Untriaged

Permalink CVE-2026-33611

6.5 MEDIUM

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): High (H)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): None (N)
Integrity (I): High (H)
Availability (A): High (H)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): High (H)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): None (N)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): High (H)
Modified Availability (MA): High (H)

created 1 month, 1 week ago Activity log

Created suggestion 1 month, 1 week ago

Insufficient validation of HTTPS and SVCB records

An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend.

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-p…

Affected products

pdns

<4.9.14
<5.0.4

Matching in nixpkgs

pkgs.pdns

Authoritative DNS server

nixos-unstable 5.0.3
- nixpkgs-unstable 5.0.3
- nixos-unstable-small 5.0.3
nixos-25.11 4.9.8
- nixos-25.11-small 4.9.8
- nixpkgs-25.11-darwin 4.9.8

pkgs.pdnsd

Permanent DNS caching

nixos-unstable 1.2.9a-par
- nixpkgs-unstable 1.2.9a-par
- nixos-unstable-small 1.2.9a-par
nixos-25.11 1.2.9a-par
- nixos-25.11-small 1.2.9a-par
- nixpkgs-25.11-darwin 1.2.9a-par