Nixpkgs security tracker

Untriaged

Permalink CVE-2026-42005

4.3 MEDIUM

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

created 2 weeks, 5 days ago Activity log

Created suggestion 2 weeks, 5 days ago

Insufficient input validation of internal web server

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

References

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

Affected products

pdns

<5.1.2
<5.0.6
<4.9.16

Matching in nixpkgs

pkgs.pdns

Authoritative DNS server

nixos-unstable 5.0.5
- nixpkgs-unstable 5.0.5
- nixos-unstable-small 5.0.5
nixos-26.05 5.0.5
- nixos-26.05-small 5.0.5
- nixpkgs-26.05-darwin 5.0.5

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-26.05 1.2.9a-par
- nixos-26.05-small 1.2.9a-par
- nixpkgs-26.05-darwin 1.2.9a-par