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High RLSA-2026:68786 1 CVE

Important: perl-Net-DNS security update

Published Sep 19, 2026 · Updated Sep 19, 2026

Summary

The perl-Net-DNS package contains a collection of Perl modules that act as a Domain Name System (DNS) resolver. It allows the programmer to perform DNS queries that are beyond the capabilities of the gethostbyname and gethostbyaddr routines.

Security Fix(es):

* perl-Net-DNS: Net::DNS: Denial of Service via unbounded recursion with misplaced TSIG records (CVE-2026-81928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 perl-Net-DNS 0:1.29-6.el9_8.1

Vulnerabilities 1

  • High 7.5

    Net::DNS versions before 1.57 for Perl allow memory exhaustion via unbounded recursion in sig_data when re-encoding a message with a misplaced TSIG record

    Net::DNS versions before 1.57 for Perl allow memory exhaustion via unbounded recursion in sig_data when re-encoding a message with a misplaced TSIG record. sig_data signs a message by re-encoding it, and removes TSIG records only from the additional section. …

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2527155
  • advisory
    https://access.redhat.com/errata/RHSA-2026:68786