Search criteria
153 vulnerabilities found for Recursor by PowerDNS
CVE-2026-33601 (GCVE-0-2026-33601)
Vulnerability from nvd – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient validation of zonemd record
Summary
If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33600 (GCVE-0-2026-33600)
Vulnerability from nvd – Published: 2026-04-22 09:33 – Updated: 2026-04-22 18:10
VLAI
Title
Null pointer dereference in RPZ transfer
Summary
An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33262 (GCVE-0-2026-33262)
Vulnerability from nvd – Published: 2026-04-22 09:40 – Updated: 2026-04-22 18:09
VLAI
Title
Insufficient validation of cookie reply
Summary
An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33261 (GCVE-0-2026-33261)
Vulnerability from nvd – Published: 2026-04-22 09:40 – Updated: 2026-04-22 18:09
VLAI
Title
Null pointer accces in aggressive NSEC(3) cache
Summary
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Missing Support for Integrity Check
- CWE-353 - Missing Support for Integrity Check
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33260 (GCVE-0-2026-33260)
Vulnerability from nvd – Published: 2026-04-22 09:39 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient input validation of internal webserver
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
Affected: 4.9.0 , < 4.9.14 (semver) |
|
| PowerDNS | DNSdist |
Affected:
1.9.0 , < 1.9.13
(semver)
Affected: 2.0.0 , < 2.0.4 (semver) |
|
| PowerDNS | Recursor |
Affected:
5.4.0 , < 5.4.1
(semver)
Affected: 5.3.0 , < 5.3.6 (semver) Affected: 5.2.0 , < 5.2.9 (semver) |
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33259 (GCVE-0-2026-33259)
Vulnerability from nvd – Published: 2026-04-22 09:38 – Updated: 2026-04-22 18:10
VLAI
Title
Concurrent modification of RPZ data can lead to denial of servce
Summary
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Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Use After Free
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33258 (GCVE-0-2026-33258)
Vulnerability from nvd – Published: 2026-04-22 09:38 – Updated: 2026-04-22 18:10
VLAI
Title
Crafted zones can cause increased resource usage
Summary
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33257 (GCVE-0-2026-33257)
Vulnerability from nvd – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient input validation of internal webserver
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
Affected: 4.9.0 , < 4.9.14 (semver) |
|
| PowerDNS | DNSdist |
Affected:
1.9.0 , < 1.9.13
(semver)
Affected: 2.0.0 , < 2.0.4 (semver) |
|
| PowerDNS | Recursor |
Affected:
5.4.0 , < 5.4.1
(semver)
Affected: 5.3.0 , < 5.3.6 (semver) Affected: 5.2.0 , < 5.2.9 (semver) |
Date Public
2026-04-21 22:00
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CVE-2026-33256 (GCVE-0-2026-33256)
Vulnerability from nvd – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Unbounded memory allocation by internal web server
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-24027 (GCVE-0-2026-24027)
Vulnerability from nvd – Published: 2026-02-09 14:25 – Updated: 2026-02-09 16:19
VLAI
Title
Crafted zones can lead to increased incoming network traffic
Summary
Crafted zones can lead to increased incoming network traffic.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
1 reference
Impacted products
Date Public
2026-02-09 13:47
Credits
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CVE-2026-0398 (GCVE-0-2026-0398)
Vulnerability from nvd – Published: 2026-02-09 14:20 – Updated: 2026-02-09 15:37
VLAI
Title
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor
Summary
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-02-09 13:47
Credits
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CVE-2025-59024 (GCVE-0-2025-59024)
Vulnerability from nvd – Published: 2026-02-09 14:44 – Updated: 2026-02-09 16:14
VLAI
Title
Crafted delegations or IP fragments can poison cached delegations in Recursor
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Verification of Data Authenticity
Assigner
References
1 reference
Impacted products
Date Public
2025-10-15 10:00
Credits
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CVE-2025-59023 (GCVE-0-2025-59023)
Vulnerability from nvd – Published: 2026-02-09 14:44 – Updated: 2026-02-09 16:17
VLAI
Title
Crafted delegations or IP fragments can poison cached delegations in Recursor
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Verification of Data Authenticity
Assigner
References
1 reference
Impacted products
Date Public
2025-10-15 10:00
Credits
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CVE-2026-33262 (GCVE-0-2026-33262)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:40 – Updated: 2026-04-22 18:09
VLAI
Title
Insufficient validation of cookie reply
Summary
An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
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CVE-2026-33261 (GCVE-0-2026-33261)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:40 – Updated: 2026-04-22 18:09
VLAI
Title
Null pointer accces in aggressive NSEC(3) cache
Summary
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Missing Support for Integrity Check
- CWE-353 - Missing Support for Integrity Check
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33260 (GCVE-0-2026-33260)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:39 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient input validation of internal webserver
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
Affected: 4.9.0 , < 4.9.14 (semver) |
|
| PowerDNS | DNSdist |
Affected:
1.9.0 , < 1.9.13
(semver)
Affected: 2.0.0 , < 2.0.4 (semver) |
|
| PowerDNS | Recursor |
Affected:
5.4.0 , < 5.4.1
(semver)
Affected: 5.3.0 , < 5.3.6 (semver) Affected: 5.2.0 , < 5.2.9 (semver) |
Date Public
2026-04-21 22:00
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CVE-2026-33259 (GCVE-0-2026-33259)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:38 – Updated: 2026-04-22 18:10
VLAI
Title
Concurrent modification of RPZ data can lead to denial of servce
Summary
Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Use After Free
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33258 (GCVE-0-2026-33258)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:38 – Updated: 2026-04-22 18:10
VLAI
Title
Crafted zones can cause increased resource usage
Summary
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33257 (GCVE-0-2026-33257)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient input validation of internal webserver
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
Affected: 4.9.0 , < 4.9.14 (semver) |
|
| PowerDNS | DNSdist |
Affected:
1.9.0 , < 1.9.13
(semver)
Affected: 2.0.0 , < 2.0.4 (semver) |
|
| PowerDNS | Recursor |
Affected:
5.4.0 , < 5.4.1
(semver)
Affected: 5.3.0 , < 5.3.6 (semver) Affected: 5.2.0 , < 5.2.9 (semver) |
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33256 (GCVE-0-2026-33256)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Unbounded memory allocation by internal web server
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33601 (GCVE-0-2026-33601)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:37 – Updated: 2026-04-22 18:10
VLAI
Title
Insufficient validation of zonemd record
Summary
If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2026-33600 (GCVE-0-2026-33600)
Vulnerability from cvelistv5 – Published: 2026-04-22 09:33 – Updated: 2026-04-22 18:10
VLAI
Title
Null pointer dereference in RPZ transfer
Summary
An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- NULL Pointer Dereference
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
Credits
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CVE-2025-59024 (GCVE-0-2025-59024)
Vulnerability from cvelistv5 – Published: 2026-02-09 14:44 – Updated: 2026-02-09 16:14
VLAI
Title
Crafted delegations or IP fragments can poison cached delegations in Recursor
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Verification of Data Authenticity
Assigner
References
1 reference
Impacted products
Date Public
2025-10-15 10:00
Credits
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CVE-2025-59023 (GCVE-0-2025-59023)
Vulnerability from cvelistv5 – Published: 2026-02-09 14:44 – Updated: 2026-02-09 16:17
VLAI
Title
Crafted delegations or IP fragments can poison cached delegations in Recursor
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Verification of Data Authenticity
Assigner
References
1 reference
Impacted products
Date Public
2025-10-15 10:00
Credits
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CVE-2026-24027 (GCVE-0-2026-24027)
Vulnerability from cvelistv5 – Published: 2026-02-09 14:25 – Updated: 2026-02-09 16:19
VLAI
Title
Crafted zones can lead to increased incoming network traffic
Summary
Crafted zones can lead to increased incoming network traffic.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
1 reference
Impacted products
Date Public
2026-02-09 13:47
Credits
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CVE-2026-0398 (GCVE-0-2026-0398)
Vulnerability from cvelistv5 – Published: 2026-02-09 14:20 – Updated: 2026-02-09 15:37
VLAI
Title
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor
Summary
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
Date Public
2026-02-09 13:47
Credits
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FKIE_CVE-2026-24027
Vulnerability from fkie_nvd - Published: 2026-02-09 15:16 - Updated: 2026-04-20 14:55
Severity
Summary
Crafted zones can lead to increased incoming network traffic.
References
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FKIE_CVE-2026-0398
Vulnerability from fkie_nvd - Published: 2026-02-09 15:16 - Updated: 2026-04-20 14:55
Severity
Summary
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FKIE_CVE-2025-59024
Vulnerability from fkie_nvd - Published: 2026-02-09 15:16 - Updated: 2026-04-20 15:11
Severity
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
References
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FKIE_CVE-2025-59023
Vulnerability from fkie_nvd - Published: 2026-02-09 15:16 - Updated: 2026-04-20 15:11
Severity
Summary
Crafted delegations or IP fragments can poison cached delegations in Recursor.
References
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