security advisorydebianimportant
Debian has issued an advisory for vulnerabilities in PDNS Recursor that could allow cache poisoning or DNSSEC validation bypass, urging users to upgrade to version 5.2.12-0+deb13u1.. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6397-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso July 23, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : pdns-recursor CVE ID : CVE-2026-52686 CVE-2026-52688 Multiple vulnerabilities have been discovered in PDNS Recursor, a resolving name server, which could result in cache poisoning or DNSSEC validation bypass. For the stable distribution (trixie), these problems have been fixed in version 5.2.12-0+deb13u1. We recommend that you upgrade your pdns-recursor packages. For the detailed security status of pdns-recursor please refer to its security tracker page at: https://security-tracker.debian.org/tracker/pdns-recursor Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Upgrade pdns-recursor to address cache poisoning and DNSSEC validation bypass issues in Debian Trixie distribution.. pdns-recursor security advisory, Debian DNS vulnerabilities, DNSSEC issues, Debian package upgrade. . Severity: Important. LinuxSecurity.com Team
Jul 23, 2026
•Important
Debian