CVE-2025-30192
published 2025-07-21CVE-2025-30192: 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…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.23%
13.7th percentile
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.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | pdns-recursor | < pdns-recursor 5.2.4-2 (forky) | pdns-recursor 5.2.4-2 (forky) |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5HIGH
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OSV
CVE-2025-30192: An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries
osv·2025-07-21·CVSS 7.5
CVE-2025-30192 [HIGH] CVE-2025-30192: An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries
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.
GHSA
GHSA-ph6c-ph44-jm63: An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries
ghsa_unreviewed·2025-07-21
CVE-2025-30192 [HIGH] CWE-345 GHSA-ph6c-ph44-jm63: An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries
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.
Debian
CVE-2025-30192: pdns-recursor - An attacker spoofing answers to ECS enabled requests sent out by the Recursor ha...
vendor_debian·2025·CVSS 7.5
CVE-2025-30192 [HIGH] CVE-2025-30192: pdns-recursor - An attacker spoofing answers to ECS enabled requests sent out by the Recursor ha...
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.
Scope: local
bookworm: open
bullseye: open
forky: resolved (fixed in 5.2.4-2)
sid: resolved (fixed in 5.2.4-2)
trixie: resolved (fixed in 5.2.4-2)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [fedora-42]
bugzilla·2025-07-21·CVSS 7.5
CVE-2025-30192 [HIGH] CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [fedora-42]
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [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-2026-249
Bugzilla
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [epel-9]
bugzilla·2025-07-21·CVSS 7.5
CVE-2025-30192 [HIGH] CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [epel-9]
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [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. Rea
Bugzilla
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [epel-8]
bugzilla·2025-07-21·CVSS 7.5
CVE-2025-30192 [HIGH] CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [epel-8]
CVE-2025-30192 pdns-recursor: A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts [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. Rea
2025-07-21
Published