SB2026040359 - Fedora 42 update for pdns-recursor
Published: April 3, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Acceptance of Extraneous Untrusted Data With Trusted Data (CVE-ID: CVE-2025-30192)
CWE-ID: CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform cache poisoning attacks.
The vulnerability exists due to an error in ECS implementation. A remote attacker can spoof answers to ECS enabled requests sent out by the Recursor.
2) Input validation error (CVE-ID: CVE-2025-59030)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of incoming notifies over TCP. A remote attacker can send specially crafted requests to the DNS server and perform a denial of service (DoS) attack.
3) Resource management error (CVE-ID: CVE-2025-59029)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in cache management when handling DNS queries with with qtype ANY. A remote attacker can send specially crafted request to the DNS server and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.