RHSA-2025:12064: Important: unbound security update
Published Jul 29, 2025
·Updated
Important: unbound security update
Other sources
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): unbound: Unbound Cache poisoning (CVE-2025-5994) 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.
— Red Hat
Affected Software
68 affected componentsFixes available
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
redhat/unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debugsource<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-dracut<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-utils-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debugsource<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-dracut<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-utils-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-anchor-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-debugsource<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-dracut<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-libs-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-utils-debuginfo<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/python3-unbound<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/python3-unbound-debuginfo<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-anchor<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-anchor-debuginfo<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-debuginfo<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-debugsource<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-dracut<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-libs<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-libs-debuginfo<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-utils-debuginfo<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-devel<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-devel<1.20.0-12.el10_0
1.20.0-12.el10_0
redhat/unbound-devel<1.20.0-12.el10_0.aa
1.20.0-12.el10_0.aa
redhat/unbound-devel<1.20.0-12.el10_0
1.20.0-12.el10_0
Remediation
Event History
Jul 29, 2025
Advisory Published
via Red Hat·09:10 AM
Data Sourced
via Red Hat·09:10 AM
DescriptionSeverityAffected Software
May 23, 2026
Advisory Published
via Red Hat·02:17 AM
Data Sourced
via Red Hat·02:17 AM
Remedy
Frequently Asked Questions
1
What is the severity of RHSA-2025:12064?
The severity of RHSA-2025:12064 is classified as Important.
2
What vulnerabilities are addressed in RHSA-2025:12064?
RHSA-2025:12064 addresses the Unbound Cache poisoning vulnerability, identified as CVE-2025-5994.
3
How do I fix RHSA-2025:12064?
To fix RHSA-2025:12064, you need to update to unbound version 1.20.0-12.el10_0.
4
Which systems are affected by RHSA-2025:12064?
RHEL products including IBM z Systems, Power, and ARM 64 are affected by RHSA-2025:12064.
5
Is there an update available for the unbound package in RHSA-2025:12064?
Yes, the update for the unbound package in RHSA-2025:12064 is version 1.20.0-12.el10_0.