NIXPKGS-2026-2615
GitHub issue
published 2 hours ago
unbound: security issues < 1.26.1
Permalink
CVE-2026-77860
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): None (N)
- Availability (A): Low (L)
- 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): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
'serve-expired' can bypass Unbound 'wait-limit'
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-77860.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-80225
5.3 MEDIUM
- 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): None (N)
- Availability (A): Low (L)
- 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): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Possible degradation of service from continuous queries on the same TCP/DoT connection
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-80225.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-85501
5.3 MEDIUM
- 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): None (N)
- Availability (A): Low (L)
- 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): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Retrap: Novel Vulnerabilities to launch Algorithmic Complexity Attacks on DNSSEC
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-85501.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-81642
9.1 CRITICAL
- CVSS version (CVSS): 4.0
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Attack Requirement (AT): None (N)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Vulnerable System Impact Confidentiality (VC): High (H)
- Vulnerable System Impact Integrity (VI): High (H)
- Vulnerable System Impact Availability (VA): High (H)
- Subsequent System Impact Confidentiality (SC): High (H)
- Subsequent System Impact Integrity (SI): High (H)
- Subsequent System Impact Availability (SA): High (H)
- Exploit Maturity (E): Unreported (U)
- Provider Urgency (U): Red (Red)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Attack Requirement (MAT): None (N)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Vulnerable System Impact Confidentiality (MVC): High (H)
- Modified Vulnerable System Impact Integrity (MVI): High (H)
- Modified Vulnerable System Impact Availability (MVA): High (H)
- Modified Subsequent System Impact Confidentiality (MSC): High (H)
- Modified Subsequent System Impact Integrity (MSI): High (H)
- Modified Subsequent System Impact Availability (MSA): High (H)
- Safety (S): Not Defined (X)
- Automatable (AU): Not Defined (X)
- Recovery (R): Not Defined (X)
- Value Density (V): Not Defined (X)
- Vulnerability Response Effort (RE): Not Defined (X)
- Confidentiality Req. (CR): Not Defined (X)
- Integrity Req. (IR): Not Defined (X)
- Availability Req. (AR): Not Defined (X)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-81642.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-77955
4.4 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): High (H)
- 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): High (H)
- 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): None (N)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Possible ZONEMD verification bypass window
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-77955.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-81634
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): None (N)
- Availability (A): High (H)
- 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): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Possible heap buffer overflow during DNSSEC canonicalization
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-81634.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-78227
6.5 MEDIUM
- 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): High (H)
- Integrity (I): None (N)
- Availability (A): Low (L)
- 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): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Use-after-free in DoQ stream output buffer on reset re-transmission
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-78227.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-82720
5.9 MEDIUM
- 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): None (N)
- Availability (A): High (H)
- 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): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
Use-after-free in DoH stream cleanup code path
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-82720.txt vendor-advisory
Unbound
- <1.26.1
Permalink
CVE-2026-82717
8.4 HIGH
- CVSS version (CVSS): 4.0
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Attack Requirement (AT): None (N)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Vulnerable System Impact Confidentiality (VC): High (H)
- Vulnerable System Impact Integrity (VI): High (H)
- Vulnerable System Impact Availability (VA): High (H)
- Subsequent System Impact Confidentiality (SC): High (H)
- Subsequent System Impact Integrity (SI): High (H)
- Subsequent System Impact Availability (SA): High (H)
- Exploit Maturity (E): Unreported (U)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Attack Requirement (MAT): None (N)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Vulnerable System Impact Confidentiality (MVC): High (H)
- Modified Vulnerable System Impact Integrity (MVI): High (H)
- Modified Vulnerable System Impact Availability (MVA): High (H)
- Modified Subsequent System Impact Confidentiality (MSC): High (H)
- Modified Subsequent System Impact Integrity (MSI): High (H)
- Modified Subsequent System Impact Availability (MSA): High (H)
- Safety (S): Not Defined (X)
- Automatable (AU): Not Defined (X)
- Recovery (R): Not Defined (X)
- Value Density (V): Not Defined (X)
- Vulnerability Response Effort (RE): Not Defined (X)
- Provider Urgency (U): Not Defined (X)
- Confidentiality Req. (CR): Not Defined (X)
- Integrity Req. (IR): Not Defined (X)
- Availability Req. (AR): Not Defined (X)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
14 packages
- luaPackages.luaunbound
- lua51Packages.luaunbound
- lua52Packages.luaunbound
- lua53Packages.luaunbound
- lua54Packages.luaunbound
- lua55Packages.luaunbound
- luajitPackages.luaunbound
- prometheus-unbound-exporter
- python313Packages.pyunbound
- python314Packages.pyunbound
- haskellPackages.unbound-generics
- haskellPackages.unbounded-delays
- haskellPackages.unbound-kind-generics
- haskellPackages.unbound-generics-unify
- @LeSuisse accepted
- @LeSuisse published on GitHub
CNAME synthesis could lead to heap corruption
-
https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-82717.txt vendor-advisory
Unbound
- <1.26.1