RHSA-2024:0977: Important: unbound security update

Published Feb 26, 2024
·
Updated

Important: unbound security update

Other sources

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387) bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868) 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

40 affected componentsFixes available
redhat/unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debugsource<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debugsource<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-debugsource<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-libs-debuginfo<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/python3-unbound<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/python3-unbound-debuginfo<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound-debuginfo<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound-debugsource<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound-libs<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound-libs-debuginfo<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
redhat/unbound-devel<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-devel<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-devel<1.16.2-3.el9_3.1
1.16.2-3.el9_3.1
redhat/unbound-devel<1.16.2-3.el9_3.1.aa
1.16.2-3.el9_3.1.aa
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for ARM 64

Remediation

Event History

Feb 26, 2024
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·08:31 AM

Frequently Asked Questions

1

What is the severity of RHSA-2024:0977?

The severity of RHSA-2024:0977 is classified as important.

2

How do I fix RHSA-2024:0977?

To fix RHSA-2024:0977, update the unbound packages to version 1.16.2-3.el9_3.1.

3

What vulnerabilities are addressed by RHSA-2024:0977?

RHSA-2024:0977 addresses extreme CPU consumption in the DNSSEC validator related to CVE-2023-50387.

4

Which Red Hat products are affected by RHSA-2024:0977?

Affected products include Red Hat Enterprise Linux for x86_64, IBM z Systems, ARM 64, Power little endian, and Red Hat CodeReady Linux Builder.

5

Is RHSA-2024:0977 a modern security update?

Yes, RHSA-2024:0977 is a contemporary security update related to recent vulnerabilities in the unbound packages.

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