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CVE-2025-30195

Good to know:

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Date: April 7, 2025

An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodymyr Ilyin for bringing this issue to our attention.

Severity Score

Related Resources (4)

http://www.openwall.com/lists/oss-security/2025/04/07/1
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-01.html
https://nvd.nist.gov/vuln/detail/CVE-2025-30195
https://www.mend.io/vulnerability-database/CVE-2025-30195

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version https://github.com/PowerDNS/pdns.git - rec-5.2.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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