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Package details: pkg:deb/debian/pdns-recursor@5.2.8-0%2Bdeb13u1
purl pkg:deb/debian/pdns-recursor@5.2.8-0%2Bdeb13u1
Next non-vulnerable version 5.2.9-0+deb13u1
Latest non-vulnerable version 5.4.1-1
Risk 1.5
Vulnerabilities affecting this package (9)
Vulnerability Summary Fixed by
VCID-26wf-1bqp-sbff
Aliases:
CVE-2026-33601
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-5afe-ws96-nqh9
Aliases:
CVE-2026-33258
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-anab-r9ty-1yh1
Aliases:
CVE-2026-33600
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-chzq-qej6-rkdq
Aliases:
CVE-2026-33257
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.0-1
Affected by 7 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-k3re-ss39-zugm
Aliases:
CVE-2026-33262
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-mzne-k7ry-pubm
Aliases:
CVE-2026-33259
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-pfhu-1qdf-p7d5
Aliases:
CVE-2026-33260
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.0-1
Affected by 7 other vulnerabilities.
VCID-v9yz-hcqv-83gu
Aliases:
CVE-2026-33261
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
VCID-xasd-r2rc-2ufq
Aliases:
CVE-2026-33256
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.
5.2.9-0+deb13u1
Affected by 0 other vulnerabilities.
5.4.1-1
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (13)
Vulnerability Summary Aliases
VCID-26wf-1bqp-sbff 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. CVE-2026-33601
VCID-2ugc-uygs-hqb8 Crafted delegations or IP fragments can poison cached delegations in Recursor. CVE-2025-59024
VCID-5afe-ws96-nqh9 By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches. CVE-2026-33258
VCID-anab-r9ty-1yh1 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. CVE-2026-33600
VCID-cdzz-8tc8-jucu Crafted delegations or IP fragments can poison cached delegations in Recursor. CVE-2025-59023
VCID-chzq-qej6-rkdq 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. CVE-2026-33257
VCID-m445-c6a1-uugf Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor. CVE-2026-0398
VCID-mzne-k7ry-pubm 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. CVE-2026-33259
VCID-pfhu-1qdf-p7d5 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. CVE-2026-33260
VCID-pjbp-1jgm-s3cg Crafted zones can lead to increased incoming network traffic. CVE-2026-24027
VCID-umcq-ztbz-qfb2 An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP. CVE-2025-59030
VCID-v9yz-hcqv-83gu A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service. CVE-2026-33261
VCID-wywf-pmyt-zud4 An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries. The updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers. The most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled. CVE-2025-30192

Date Actor Action Vulnerability Source VulnerableCode Version
2026-05-02T08:20:50.388364+00:00 Debian Importer Fixing VCID-26wf-1bqp-sbff https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T08:04:19.840477+00:00 Debian Importer Fixing VCID-5afe-ws96-nqh9 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T07:28:52.763404+00:00 Debian Importer Fixing VCID-v9yz-hcqv-83gu https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T06:48:52.805030+00:00 Debian Importer Fixing VCID-chzq-qej6-rkdq https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T06:35:23.613789+00:00 Debian Importer Fixing VCID-wywf-pmyt-zud4 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T03:41:45.374926+00:00 Debian Importer Fixing VCID-anab-r9ty-1yh1 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T02:57:20.452533+00:00 Debian Importer Affected by VCID-pfhu-1qdf-p7d5 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T02:55:50.329449+00:00 Debian Importer Affected by VCID-mzne-k7ry-pubm https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T02:26:39.404467+00:00 Debian Importer Affected by VCID-anab-r9ty-1yh1 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T01:52:43.046158+00:00 Debian Importer Fixing VCID-2ugc-uygs-hqb8 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T00:12:32.447816+00:00 Debian Importer Fixing VCID-mzne-k7ry-pubm https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-02T00:04:52.319137+00:00 Debian Importer Affected by VCID-26wf-1bqp-sbff https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T23:58:08.945450+00:00 Debian Importer Fixing VCID-umcq-ztbz-qfb2 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T23:45:25.882152+00:00 Debian Importer Fixing VCID-pjbp-1jgm-s3cg https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:54:38.774982+00:00 Debian Importer Affected by VCID-k3re-ss39-zugm https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:41:43.293259+00:00 Debian Importer Affected by VCID-xasd-r2rc-2ufq https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:24:48.249476+00:00 Debian Importer Affected by VCID-5afe-ws96-nqh9 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:21:18.529444+00:00 Debian Importer Fixing VCID-m445-c6a1-uugf https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:17:42.112572+00:00 Debian Importer Fixing VCID-cdzz-8tc8-jucu https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:15:29.592701+00:00 Debian Importer Affected by VCID-v9yz-hcqv-83gu https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:06:38.362029+00:00 Debian Importer Affected by VCID-chzq-qej6-rkdq https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-05-01T22:03:35.098265+00:00 Debian Importer Fixing VCID-pfhu-1qdf-p7d5 https://security-tracker.debian.org/tracker/data/json 38.6.0
2026-04-29T12:52:43.525907+00:00 Debian Importer Affected by VCID-chzq-qej6-rkdq https://security-tracker.debian.org/tracker/data/json 38.5.0
2026-04-27T06:39:21.041131+00:00 Debian Importer Affected by VCID-mzne-k7ry-pubm https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T05:58:05.347638+00:00 Debian Importer Affected by VCID-v9yz-hcqv-83gu https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T03:51:44.733668+00:00 Debian Importer Affected by VCID-anab-r9ty-1yh1 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T03:08:25.704528+00:00 Debian Importer Affected by VCID-pfhu-1qdf-p7d5 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T02:25:57.206002+00:00 Debian Importer Affected by VCID-5afe-ws96-nqh9 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T02:03:48.377116+00:00 Debian Importer Affected by VCID-26wf-1bqp-sbff https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T00:34:32.398926+00:00 Debian Importer Affected by VCID-k3re-ss39-zugm https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-27T00:12:40.442290+00:00 Debian Importer Affected by VCID-xasd-r2rc-2ufq https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-26T23:48:07.184251+00:00 Debian Importer Affected by VCID-chzq-qej6-rkdq https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T12:42:18.302586+00:00 Debian Importer Fixing VCID-wywf-pmyt-zud4 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T11:32:59.639672+00:00 Debian Importer Fixing VCID-cdzz-8tc8-jucu https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T11:30:44.423667+00:00 Debian Importer Fixing VCID-pjbp-1jgm-s3cg https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T10:55:57.152773+00:00 Debian Importer Fixing VCID-umcq-ztbz-qfb2 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T10:43:09.449524+00:00 Debian Importer Fixing VCID-m445-c6a1-uugf https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T10:30:45.882152+00:00 Debian Importer Fixing VCID-2ugc-uygs-hqb8 https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-13T08:42:34.659705+00:00 Debian Importer Fixing VCID-wywf-pmyt-zud4 https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:52:22.951649+00:00 Debian Importer Fixing VCID-cdzz-8tc8-jucu https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:50:48.107792+00:00 Debian Importer Fixing VCID-pjbp-1jgm-s3cg https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:24:42.909979+00:00 Debian Importer Fixing VCID-umcq-ztbz-qfb2 https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:14:58.126616+00:00 Debian Importer Fixing VCID-m445-c6a1-uugf https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:05:49.004222+00:00 Debian Importer Fixing VCID-2ugc-uygs-hqb8 https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-08T19:48:00.979804+00:00 Debian Importer Fixing VCID-wywf-pmyt-zud4 https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T19:14:19.510536+00:00 Debian Importer Fixing VCID-cdzz-8tc8-jucu https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T19:13:16.329512+00:00 Debian Importer Fixing VCID-pjbp-1jgm-s3cg https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T18:55:30.730409+00:00 Debian Importer Fixing VCID-umcq-ztbz-qfb2 https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T18:49:07.867188+00:00 Debian Importer Fixing VCID-m445-c6a1-uugf https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T18:42:52.912812+00:00 Debian Importer Fixing VCID-2ugc-uygs-hqb8 https://security-tracker.debian.org/tracker/data/json 38.1.0