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75 vulnerabilities by powerdns
CVE-2026-52688 (GCVE-0-2026-52688)
Vulnerability from cvelistv5 – Published: 2026-07-23 08:03 – Updated: 2026-07-23 13:56
VLAI
EPSS
VEX
Title
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Summary
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 13:55 UTC
CWE
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-07-21 22:00
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CVE-2026-52686 (GCVE-0-2026-52686)
Vulnerability from cvelistv5 – Published: 2026-07-23 08:03 – Updated: 2026-07-23 13:56
VLAI
EPSS
VEX
Title
Wildcard CNAME proof validation bypass
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 13:56 UTC
CWE
- Insufficient Verification of Data Authenticity
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-07-21 22:00
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CVE-2026-52684 (GCVE-0-2026-52684)
Vulnerability from cvelistv5 – Published: 2026-07-23 07:49 – Updated: 2026-07-23 14:00
VLAI
EPSS
VEX
Title
Prefetch Feature Allows Persistent Ghost Domain Cache Poisoning Attack
Summary
If the auth responds very slowly and the records expire in between, the capping of TTLs is not enforced for lack of data. This does not happen on regular resolve as then then the
child records are used immediately if not expired and thus valid, or the
records are expired, and in that case not used. So this case
can only happen if almost expired records are used to refresh the
authoritative NS records.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 14:00 UTC
CWE
- Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-07-19 22:00
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CVE-2026-42389 (GCVE-0-2026-42389)
Vulnerability from cvelistv5 – Published: 2026-06-25 13:16 – Updated: 2026-06-25 14:58
VLAI
EPSS
VEX
Title
Reject more queries with invalid header values
Summary
This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:58 UTC
CWE
- Improper Input Validation
- CWE-20 - Improper Input Validation
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-52690 (GCVE-0-2026-52690)
Vulnerability from cvelistv5 – Published: 2026-06-25 13:01 – Updated: 2026-06-25 14:21
VLAI
EPSS
VEX
Title
Spoofed answers can mark an authoritative non-EDNS capable
Summary
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:21 UTC
CWE
- Authentication Bypass by Spoofing
- CWE-290 - Authentication Bypass by Spoofing
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-42390 (GCVE-0-2026-42390)
Vulnerability from cvelistv5 – Published: 2026-06-25 13:01 – Updated: 2026-06-25 14:25
VLAI
EPSS
VEX
Title
ZONEMD validation can be bypassed
Summary
An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:25 UTC
CWE
- Improper Input Validation
- CWE-20 - Improper Input Validation
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-42388 (GCVE-0-2026-42388)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:59 – Updated: 2026-06-25 14:42
VLAI
EPSS
VEX
Title
Missing input validation for catalog zones
Summary
Incomplete validation of the SOA record present in a catalog zone might lead to a crash.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:42 UTC
CWE
- Improper Input Validation
- CWE-20 - Improper Input Validation
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-42387 (GCVE-0-2026-42387)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:59 – Updated: 2026-06-25 14:41
VLAI
EPSS
VEX
Title
Insufficient input validation in ZoneToCache
Summary
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:41 UTC
CWE
- Improper Input Validation
- CWE-20 - Improper Input Validation
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40012 (GCVE-0-2026-40012)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:58 – Updated: 2026-06-25 14:41
VLAI
EPSS
VEX
Title
Information about ECS zero scoped answers might leak to clients that use a specific ECS
Summary
ECS zero scoped answers are stored in the packet cache while they should not. This impacts only configurations that have ECS enabled;
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:40 UTC
CWE
- Exposure of Resource to Wrong Sphere
- CWE-524 - Use of Cache Containing Sensitive Information
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-33612 (GCVE-0-2026-33612)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:58 – Updated: 2026-06-25 13:35
VLAI
EPSS
VEX
Title
ZoneToCache can poison the cache
Summary
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:35 UTC
CWE
- Acceptance of Extraneous Untrusted Data With Trusted Data
- CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-42004 (GCVE-0-2026-42004)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:24 – Updated: 2026-06-25 13:44
VLAI
EPSS
VEX
Title
EDNS options smuggling
Summary
An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:44 UTC
CWE
- Misinterpretation of Input
- CWE-115 - Misinterpretation of Input
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40211 (GCVE-0-2026-40211)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:23 – Updated: 2026-06-25 13:45
VLAI
EPSS
VEX
Title
Denial of service via crafted DoH3 queries
Summary
An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memory condition, resulting in a denial of service.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:44 UTC
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40210 (GCVE-0-2026-40210)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:23 – Updated: 2026-06-25 13:49
VLAI
EPSS
VEX
Title
Out-of-bounds read in SetMacAddrAction
Summary
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Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:49 UTC
CWE
- Buffer Over-read
- CWE-126 - Buffer Over-read
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40209 (GCVE-0-2026-40209)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:23 – Updated: 2026-06-25 13:56
VLAI
EPSS
VEX
Title
Denial of service via IXFR queries
Summary
An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or if the process runs out of file descriptors.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:56 UTC
CWE
- Missing Release of Resource after Effective Lifetime
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40208 (GCVE-0-2026-40208)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:22 – Updated: 2026-06-25 13:24
VLAI
EPSS
VEX
Title
Denial of service via DoH3 queries
Summary
An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:24 UTC
CWE
- Incorrect Control Flow Scoping
- CWE-705 - Incorrect Control Flow Scoping
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-40011 (GCVE-0-2026-40011)
Vulnerability from cvelistv5 – Published: 2026-06-25 12:22 – Updated: 2026-06-25 13:23
VLAI
EPSS
VEX
Title
Prometheus denial of service via crafted DNS queries
Summary
An attacker sending a large number of crafted DNS queries might be able to trigger a dynamic block being inserted with a value causing invalid output to be produced in the prometheus endpoint. The prometheus endpoint will then be rejected by the scraper until the dynamic block expires.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:23 UTC
CWE
- Improper Encoding or Escaping of Output
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-06-24 22:00
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CVE-2026-42005 (GCVE-0-2026-42005)
Vulnerability from cvelistv5 – Published: 2026-06-25 11:57 – Updated: 2026-06-25 13:04
VLAI
EPSS
VEX
Title
Insufficient input validation of 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
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 13:03 UTC
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-400 - Uncontrolled Resource Consumption
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
4.9.0 , < 4.9.16
(semver)
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Date Public
2026-06-10 22:00
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CVE-2026-41999 (GCVE-0-2026-41999)
Vulnerability from cvelistv5 – Published: 2026-05-21 09:27 – Updated: 2026-05-21 11:58
VLAI
EPSS
VEX
Title
Incorrect Behaviour of Views with TCP PROXY Requests
Summary
Incorrect Behaviour of Views with TCP PROXY Requests
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 11:57 UTC
CWE
- Improper Access Control
- CWE-284 - Improper Access Control
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
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(semver)
|
Date Public
2026-05-19 22:00
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CVE-2026-42002 (GCVE-0-2026-42002)
Vulnerability from cvelistv5 – Published: 2026-05-21 09:27 – Updated: 2026-05-21 11:59
VLAI
EPSS
VEX
Title
Concurrency and locking defects in GSS-TSIG
Summary
Concurrency and locking defects in GSS-TSIG
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 11:58 UTC
CWE
- Signal Handler Race Condition
- CWE-364 - Signal Handler Race Condition
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
4.9.0 , < 4.9.15
(semver)
Affected: 5.0.0 , < 5.0.5 (semver) |
Date Public
2026-05-19 22:00
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CVE-2026-42001 (GCVE-0-2026-42001)
Vulnerability from cvelistv5 – Published: 2026-05-21 09:26 – Updated: 2026-05-21 12:01
VLAI
EPSS
VEX
Title
Insufficient Validation of Autoprimary SOA Queries
Summary
Insufficient Validation of Autoprimary SOA Queries
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 12:00 UTC
CWE
- Uncontrolled Resource Consumption
- CWE-400 - Uncontrolled Resource Consumption
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
4.9.0 , < 4.9.15
(semver)
Affected: 5.0.0 , < 5.0.5 (semver) |
Date Public
2026-05-19 22:00
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CVE-2026-42000 (GCVE-0-2026-42000)
Vulnerability from cvelistv5 – Published: 2026-05-21 09:25 – Updated: 2026-05-21 12:02
VLAI
EPSS
VEX
Title
Insufficient Validation of Names During AXFR
Summary
Insufficient Validation of Names During AXFR
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 12:01 UTC
CWE
- Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
4.9.0 , < 4.9.15
(semver)
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Date Public
2026-05-19 22:00
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CVE-2026-42396 (GCVE-0-2026-42396)
Vulnerability from cvelistv5 – Published: 2026-05-21 09:25 – Updated: 2026-05-21 12:03
VLAI
EPSS
VEX
Title
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Summary
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 12:03 UTC
CWE
- Improper Control of Generation of Code ('Code Injection')
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
4.9.0 , < 4.9.15
(semver)
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Date Public
2026-05-19 22:00
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CVE-2026-33611 (GCVE-0-2026-33611)
Vulnerability from cvelistv5 – Published: 2026-04-22 14:01 – Updated: 2026-04-22 14:24
VLAI
EPSS
VEX
Title
Insufficient validation of HTTPS and SVCB records
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:24 UTC
CWE
- Integer Overflow or Wraparound
- CWE-190 - Integer Overflow or Wraparound
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
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Date Public
2026-04-08 22:00
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CVE-2026-33610 (GCVE-0-2026-33610)
Vulnerability from cvelistv5 – Published: 2026-04-22 14:00 – Updated: 2026-04-22 14:26
VLAI
EPSS
VEX
Title
Possible file descriptor exhaustion in forward-dnsupdate
Summary
A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:25 UTC
CWE
- Uncontrolled Resource Consumption
- CWE-400 - Uncontrolled Resource Consumption
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
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Date Public
2026-04-08 22:00
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CVE-2026-33609 (GCVE-0-2026-33609)
Vulnerability from cvelistv5 – Published: 2026-04-22 14:00 – Updated: 2026-04-22 14:27
VLAI
EPSS
VEX
Title
LDAP DN injection
Summary
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:26 UTC
CWE
- Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
5.0.0 , < 5.0.4
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Date Public
2026-04-08 22:00
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CVE-2026-33608 (GCVE-0-2026-33608)
Vulnerability from cvelistv5 – Published: 2026-04-22 14:00 – Updated: 2026-04-22 14:28
VLAI
EPSS
VEX
Title
Incomplete domain name sanitization during
Summary
An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:28 UTC
CWE
- Improper Control of Generation of Code ('Code Injection')
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
OX
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PowerDNS | Authoritative |
Affected:
5.0.0 , < 5.0.4
(semver)
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Date Public
2026-04-08 22:00
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CVE-2026-33593 (GCVE-0-2026-33593)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:48 – Updated: 2026-04-22 14:29
VLAI
EPSS
VEX
Title
Denial of service via crafted DNSCrypt query
Summary
A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:29 UTC
CWE
- Divide By Zero
- CWE-369 - Divide By Zero
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
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CVE-2026-33594 (GCVE-0-2026-33594)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:48 – Updated: 2026-04-22 14:36
VLAI
EPSS
VEX
Title
Outgoing DoH excessive memory allocation
Summary
A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into a buffer that will not be released until the end of the connection.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:36 UTC
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
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CVE-2026-33595 (GCVE-0-2026-33595)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:47 – Updated: 2026-04-22 14:40
VLAI
EPSS
VEX
Title
DoQ/DoH3 excessive memory allocation
Summary
A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:40 UTC
CWE
- Allocation of Resources Without Limits or Throttling
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
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CVE-2026-33597 (GCVE-0-2026-33597)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:47 – Updated: 2026-04-22 14:41
VLAI
EPSS
VEX
Title
PRSD detection denial of service
Summary
PRSD detection denial of service
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:41 UTC
CWE
- Improper Encoding or Escaping of Output
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
OX
CNA
References
1 reference
Impacted products
Date Public
2026-04-21 22:00
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