SB2026090478 - Fedora EPEL 10.2 update for pdns-recursor



SB2026090478 - Fedora EPEL 10.2 update for pdns-recursor

Published: September 4, 2026

Security Bulletin ID SB2026090478
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2026-52688)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass DNSSEC wildcard validation.

The vulnerability exists due to insufficient validation of DNSSEC signatures in the DNSSEC wildcard validation logic when processing a crafted reply from an authoritative server. A remote attacker can send a crafted reply to bypass DNSSEC wildcard validation.


Remediation

Install update from vendor's website.