SB2026090475 - Fedora EPEL 10.3 update for pdns-recursor
Published: September 4, 2026
Security Bulletin ID
SB2026090475
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- 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.