RLSA-2026:18931

Synopsis

Moderate: unbound security update

Description

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

Security Fix(es):

* unbound: DNSBomb vulnerability (CVE-2024-33655)

* unbound: Unbound domain hijacking via promiscuous records (CVE-2025-11411)

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.

Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2279942 2405706

CVEs

CVE-2024-33655 CVE-2025-11411

Affected packages

Rocky Linux 9 aarch64 - AppStream

python3-unbound-0:1.24.2-2.el9.aarch64.rpm python3-unbound-debuginfo-0:1.24.2-2.el9.aarch64.rpm unbound-0:1.24.2-2.el9.aarch64.rpm unbound-0:1.24.2-2.el9.src.rpm unbound-debuginfo-0:1.24.2-2.el9.aarch64.rpm unbound-debugsource-0:1.24.2-2.el9.aarch64.rpm unbound-dracut-0:1.24.2-2.el9.aarch64.rpm unbound-libs-0:1.24.2-2.el9.aarch64.rpm unbound-libs-debuginfo-0:1.24.2-2.el9.aarch64.rpm

Rocky Linux 9 ppc64le - AppStream

python3-unbound-0:1.24.2-2.el9.ppc64le.rpm python3-unbound-debuginfo-0:1.24.2-2.el9.ppc64le.rpm unbound-0:1.24.2-2.el9.ppc64le.rpm unbound-0:1.24.2-2.el9.src.rpm unbound-debuginfo-0:1.24.2-2.el9.ppc64le.rpm unbound-debugsource-0:1.24.2-2.el9.ppc64le.rpm unbound-dracut-0:1.24.2-2.el9.ppc64le.rpm unbound-libs-0:1.24.2-2.el9.ppc64le.rpm unbound-libs-debuginfo-0:1.24.2-2.el9.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

python3-unbound-0:1.24.2-2.el9.s390x.rpm python3-unbound-debuginfo-0:1.24.2-2.el9.s390x.rpm unbound-0:1.24.2-2.el9.s390x.rpm unbound-0:1.24.2-2.el9.src.rpm unbound-debuginfo-0:1.24.2-2.el9.s390x.rpm unbound-debugsource-0:1.24.2-2.el9.s390x.rpm unbound-dracut-0:1.24.2-2.el9.s390x.rpm unbound-libs-0:1.24.2-2.el9.s390x.rpm unbound-libs-debuginfo-0:1.24.2-2.el9.s390x.rpm

Rocky Linux 9 x86_64 - AppStream

python3-unbound-0:1.24.2-2.el9.x86_64.rpm python3-unbound-debuginfo-0:1.24.2-2.el9.x86_64.rpm unbound-0:1.24.2-2.el9.src.rpm unbound-0:1.24.2-2.el9.x86_64.rpm unbound-debuginfo-0:1.24.2-2.el9.i686.rpm unbound-debuginfo-0:1.24.2-2.el9.x86_64.rpm unbound-debugsource-0:1.24.2-2.el9.i686.rpm unbound-debugsource-0:1.24.2-2.el9.x86_64.rpm unbound-dracut-0:1.24.2-2.el9.x86_64.rpm unbound-libs-0:1.24.2-2.el9.i686.rpm unbound-libs-0:1.24.2-2.el9.x86_64.rpm unbound-libs-debuginfo-0:1.24.2-2.el9.i686.rpm unbound-libs-debuginfo-0:1.24.2-2.el9.x86_64.rpm

Rocky Linux 9 aarch64 - CRB

unbound-devel-0:1.24.2-2.el9.aarch64.rpm

Rocky Linux 9 x86_64 - CRB

unbound-devel-0:1.24.2-2.el9.i686.rpm unbound-devel-0:1.24.2-2.el9.x86_64.rpm

Rocky Linux 9 ppc64le - CRB

unbound-devel-0:1.24.2-2.el9.ppc64le.rpm

Rocky Linux 9 s390x - CRB

unbound-devel-0:1.24.2-2.el9.s390x.rpm