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OpenAdvisories
High RLSA-2026:18786 1 CVE

Important: bind security update

Published May 28, 2026 · Updated May 28, 2026

Ecosystem: Rocky Linux

Summary

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es):

* bind: Resource exhaustion via malformed DNSKEY handling (CVE-2025-8677)

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.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 9 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 bind 2:9.16.23-40.el9_8.1

Vulnerabilities 1

  • High 7.5
    CVE-2025-8677 EPSS 11%

    Resource exhaustion via malformed DNSKEY handling

    Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405830