RHSA-2026:55784HighCVSS 8.6

Red Hat Security Advisory: unbound security update

Published
August 17, 2026
Last Modified
August 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-44690 →

📋 Description

CVE-2026-44690 — unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes

🎯 Affected products40

  • Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-debuginfo-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-debuginfo-0:1.16.2-5.14.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-debuginfo-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-debuginfo-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • python3-unbound-debuginfo-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-0:1.16.2-5.14.el8_10.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debuginfo-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debuginfo-0:1.16.2-5.14.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debuginfo-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debuginfo-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debuginfo-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debugsource-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debugsource-0:1.16.2-5.14.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debugsource-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debugsource-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-debugsource-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-devel-0:1.16.2-5.14.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-devel-0:1.16.2-5.14.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-devel-0:1.16.2-5.14.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-devel-0:1.16.2-5.14.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • unbound-devel-0:1.16.2-5.14.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • +10 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (4)