RLSA-2026:36320

Synopsis

Important: unbound security update

Description

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

Security Fix(es):

* unbound: Unbound: Denial of Service via excessive EDNS options (CVE-2026-41292)

* unbound: Unbound: Cache manipulation via 'ghost domain names' attack (CVE-2026-40622)

* unbound: Unbound: Denial of Service due to excessive resource consumption with large DNS Resource Record Sets (CVE-2026-44390)

* unbound: Unbound: Denial of Service due to degraded resolution performance in jostle logic (CVE-2026-42534)

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.

Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2480125 2480127 2480130 2480131

CVEs

CVE-2026-40622 CVE-2026-41292 CVE-2026-42534 CVE-2026-44390

Affected packages

Rocky Linux 10 ppc64le - AppStream

unbound-anchor-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-debugsource-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-0:1.24.2-7.el10_2.2.src.rpm unbound-dracut-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-libs-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-utils-debuginfo-0:1.24.2-7.el10_2.2.ppc64le.rpm python3-unbound-debuginfo-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-debuginfo-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-utils-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-libs-debuginfo-0:1.24.2-7.el10_2.2.ppc64le.rpm unbound-anchor-debuginfo-0:1.24.2-7.el10_2.2.ppc64le.rpm python3-unbound-0:1.24.2-7.el10_2.2.ppc64le.rpm

Rocky Linux 10 aarch64 - AppStream

unbound-libs-0:1.24.2-7.el10_2.2.aarch64.rpm python3-unbound-0:1.24.2-7.el10_2.2.aarch64.rpm python3-unbound-debuginfo-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-0:1.24.2-7.el10_2.2.src.rpm unbound-utils-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-utils-debuginfo-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-anchor-debuginfo-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-libs-debuginfo-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-dracut-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-debugsource-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-debuginfo-0:1.24.2-7.el10_2.2.aarch64.rpm unbound-anchor-0:1.24.2-7.el10_2.2.aarch64.rpm

Rocky Linux 10 s390x - AppStream

python3-unbound-0:1.24.2-7.el10_2.2.s390x.rpm unbound-debuginfo-0:1.24.2-7.el10_2.2.s390x.rpm unbound-utils-0:1.24.2-7.el10_2.2.s390x.rpm unbound-utils-debuginfo-0:1.24.2-7.el10_2.2.s390x.rpm unbound-0:1.24.2-7.el10_2.2.src.rpm unbound-dracut-0:1.24.2-7.el10_2.2.s390x.rpm unbound-libs-debuginfo-0:1.24.2-7.el10_2.2.s390x.rpm unbound-anchor-0:1.24.2-7.el10_2.2.s390x.rpm unbound-anchor-debuginfo-0:1.24.2-7.el10_2.2.s390x.rpm unbound-0:1.24.2-7.el10_2.2.s390x.rpm unbound-debugsource-0:1.24.2-7.el10_2.2.s390x.rpm python3-unbound-debuginfo-0:1.24.2-7.el10_2.2.s390x.rpm unbound-libs-0:1.24.2-7.el10_2.2.s390x.rpm

Rocky Linux 10 x86_64 - AppStream

unbound-dracut-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-libs-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-utils-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-debuginfo-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-0:1.24.2-7.el10_2.2.src.rpm unbound-anchor-debuginfo-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-0:1.24.2-7.el10_2.2.x86_64.rpm python3-unbound-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-anchor-0:1.24.2-7.el10_2.2.x86_64.rpm python3-unbound-debuginfo-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-libs-debuginfo-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-utils-debuginfo-0:1.24.2-7.el10_2.2.x86_64.rpm unbound-debugsource-0:1.24.2-7.el10_2.2.x86_64.rpm

Rocky Linux 10 aarch64 - CRB

unbound-devel-0:1.24.2-7.el10_2.2.aarch64.rpm

Rocky Linux 10 riscv64 - AppStream

unbound-0:1.24.2-7.el10_2.2.src.rpm

Rocky Linux 10 s390x - CRB

unbound-devel-0:1.24.2-7.el10_2.2.s390x.rpm

Rocky Linux 10 x86_64 - CRB

unbound-devel-0:1.24.2-7.el10_2.2.x86_64.rpm

Rocky Linux 10 ppc64le - CRB

unbound-devel-0:1.24.2-7.el10_2.2.ppc64le.rpm