Nixpkgs security tracker
NIXPKGS-2026-2258
GitHub issue
published 4 days, 20 hours ago
pdns-recursor: security issues < 5.4.4
Permalink
CVE-2026-52688
7.5 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): High (H)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): None (N)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse ignored package rotp
- @LeSuisse accepted
- @LeSuisse published on GitHub
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Affected products
pdns-recursor
- <5.2.12
- <5.4.4
- <5.3.9
Matching in nixpkgs
Package maintainers
-
@rnhmjoj Michele Guerini Rocco <rnhmjoj@inventati.org>
Permalink
CVE-2026-52686
3.7 LOW
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse ignored package rotp
- @LeSuisse accepted
- @LeSuisse published on GitHub
Wildcard CNAME proof validation bypass
The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.
Affected products
pdns-recursor
- <5.2.12
- <5.4.4
- <5.3.9
Matching in nixpkgs
Package maintainers
-
@rnhmjoj Michele Guerini Rocco <rnhmjoj@inventati.org>