CVE-2025-59029
published 2025-12-09CVE-2025-59029: An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with…
PriorityP428medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.32%
24.1th percentile
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | pdns-recursor | < pdns-recursor 5.3.3-1 (forky) | pdns-recursor 5.3.3-1 (forky) |
| powerdns | recursor | — | — |
| powerdns | recursor | — | — |
| powerdns | recursor | >= 5.3.0 < 5.3.2 | 5.3.2 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
osv5.3MEDIUM
vendor_debian5.3LOW
vendor_redhat5.3MEDIUM
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Red Hat
PowerDNS: PowerDNS: Assertion failure due to crafted DNS records
vendor_redhat·2025-12-09·CVSS 5.3
CVE-2025-59029 [MEDIUM] CWE-617 PowerDNS: PowerDNS: Assertion failure due to crafted DNS records
PowerDNS: PowerDNS: Assertion failure due to crafted DNS records
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
A flaw was found in PowerDNS. This vulnerability allows an attacker to trigger an assertion failure via requesting crafted DNS (Domain Name System) records, waiting for them to be inserted into the records cache, then sending a query with qtype set to ANY.
Statement: This vulnerability is rated Moderate for Red Hat because an attacker can trigger an assertion failure in PowerDNS by requesting crafted DNS records and then sending a query with qtype set to ANY. This could lead to a denial of service for the PowerDNS service.
Mitigation: To mitigate t
Debian
CVE-2025-59029: pdns-recursor - An attacker can trigger an assertion failure by requesting crafted DNS records, ...
vendor_debian·2025·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029: pdns-recursor - An attacker can trigger an assertion failure by requesting crafted DNS records, ...
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved (fixed in 5.3.3-1)
sid: resolved (fixed in 5.3.3-1)
trixie: resolved
OSV
CVE-2025-59029: An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a qu
osv·2025-12-09·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029: An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a qu
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
GHSA
GHSA-2gr2-cm9q-vr3v: An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a qu
ghsa_unreviewed·2025-12-09
CVE-2025-59029 [MEDIUM] CWE-617 GHSA-2gr2-cm9q-vr3v: An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a qu
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-10]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-10]
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-10]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
---
FEDORA-2026-34cca3d390 (pdns-recursor-5.2.11-1.fc43) has been submitted as an update to Fedora
Bugzilla
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
FEDORA-2026-2490896a5d (pdns-recursor-5.2.8-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2490896a5d
---
FEDORA-2026-2490896a5d has been
Bugzilla
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
---
This package has changed maintainer in Fedora. Reassigning to the new maintainer of thi
Bugzilla
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
FEDORA-2026-9c582575e5 (pdns-recursor-5.2.8-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c582575e5
---
FEDORA-2026-9c582575e5 has been
Bugzilla
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-43]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
FEDORA-2026-9c582575e5 (pdns-recursor-5.2.8-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c582575e5
---
FEDORA-2026-9c582575e5
Bugzilla
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-9]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
---
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this compone
Bugzilla
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
FEDORA-2026-2490896a5d (pdns-recursor-5.2.8-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2490896a5d
---
FEDORA-2026-2490896a5d
Bugzilla
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
CVE-2025-59029 pdns-recursor: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
---
This package has changed maintainer in Fedora. Reassigning to the new maintainer of thi
Bugzilla
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
CVE-2025-59029 pdns: PowerDNS: Assertion failure due to crafted DNS records [epel-8]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
---
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this compone
Bugzilla
CVE-2025-59029 netdata: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
bugzilla·2025-12-17·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 netdata: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
CVE-2025-59029 netdata: PowerDNS: Assertion failure due to crafted DNS records [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all b
Wiz
CVE-2025-59029 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2025-59029 [MEDIUM] CVE-2025-59029 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-59029 :
Linux Debian vulnerability analysis and mitigation
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Source : NVD
## 5.3
Score
Published December 9, 2025
Severity MEDIUM
CNA Score 5.3
Affected Technologies
Linux Debian
Linux Alpine
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 1
Exploitation Probability (EPSS) N/A
Affected packages and libraries
pdns-recursor
Sources
NVD
Alpine 3.23 Severity MEDIUM Has Fix Added at: Dec 14, 2025
Alpine edge Severity MEDIUM Has Fix Added at: Dec 09, 2025
Debian 11, 12, 13 No Fix Added at: Dec 09, 2
2025-12-09
Published