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High RLSA-2025:0837 2 CVEs

Important: unbound security update

Published Feb 13, 2025 · Updated Feb 5, 2026

Summary

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

* unbound: unrestricted reconfiguration enabled to anyone that may lead to local privilege escalation (CVE-2024-1488)

* unbound: Unbounded name compression could lead to Denial of Service (CVE-2024-8508)

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 · 8 unbound 0:1.16.2-5.8.el8_10

Vulnerabilities 2

  • High 8.0

    Unbound: unrestricted reconfiguration enabled to anyone that may lead to local privilege escalation

    A vulnerability was found in Unbound due to incorrect default permissions, allowing any process outside the unbound group to modify the unbound runtime configuration. If a process can connect over localhost to port 8953, it can alter the configuration of unbo…

  • Medium 5.3

    Unbounded name compression could lead to Denial of Service

    NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform name compression for. Malicious upstreams responses with very large RRsets can cause Unbound to spend a consid…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2264183
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2316321