CVE-2024-1488: Fedoraproject Unbound

High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in Unbound due to incorrect default permissions, allowing any process outside the unbound group to modify the unbound runtime configuration. If a process can connect over localhost to port 8953, it can alter the configuration of unbound.service. This flaw allows an unprivileged attacker to manipulate a running instance, potentially altering forwarders, allowing them to track all queries forwarded by the local resolver, and, in some cases, disrupting resolving altogether.

Affected products

  • Fedoraproject Unbound: before 1.19.1-2.fc40 (fixed in 1.19.1-2.fc40)
  • Red Hat Codeready Linux Builder: version 9.0 only
  • Red Hat Codeready Linux Builder Eus: version 9.2 only; version 9.4 only
  • Red Hat Codeready Linux Builder Eus For Power Little Endian: version 9.0_ppc64le only; version 9.2_ppc64le only
  • Red Hat Codeready Linux Builder For ARM64: version 9.0_aarch64 only; version 9.2_aarch64 only
  • Red Hat Codeready Linux Builder For ARM64 Eus: version 9.4_aarch64 only
  • Red Hat Codeready Linux Builder For IBM Z Systems: version 9.0_s390x only; version 9.2_s390x only
  • Red Hat Codeready Linux Builder For IBM Z Systems Eus: version 9.4_s390x only
  • Red Hat Enterprise Linux: version 8.0 only; version 9.0 only
  • Red Hat Enterprise Linux Eus: version 8.6 only; version 8.8 only; version 9.2 only; version 9.4 only
  • Red Hat Enterprise Linux For Arm 64: version 8.0_aarch64 only; version 9.0_aarch64 only; version 9.2_aarch64 only
  • Red Hat Enterprise Linux For Arm 64 Eus: version 8.6_aarch64 only; version 8.8_aarch64 only; version 9.4_aarch64 only
  • Red Hat Enterprise Linux For IBM Z Systems: version 8.0_s390x only; version 9.0_s390x only; version 9.2_s390x only
  • Red Hat Enterprise Linux For IBM Z Systems Eus: version 8.6_s390x only; version 8.8_s390x only; version 9.4_s390x only
  • Red Hat Enterprise Linux For Power Little Endian: version 8.0_ppc64le only; version 9.0_ppc64le only; version 9.2_ppc64le only
  • Red Hat Enterprise Linux For Power Little Endian Eus: version 8.6_ppc64le only; version 8.8_ppc64le only; version 9.4_ppc64le only
  • Red Hat Enterprise Linux Server Aus: version 8.2 only; version 8.4 only; version 8.6 only; version 9.2 only; version 9.4 only
  • Red Hat Enterprise Linux Server For Power Little Endian Update Services For SAP Solutions: version 8.2_ppc64le only; version 8.4_ppc64le only; version 8.6_ppc64le only; version 8.8_ppc64le only; version 9.2_ppc64le only; version 9.4_ppc64le only
  • Red Hat Enterprise Linux Server Tus: version 8.2 only; version 8.4 only; version 8.6 only; version 8.8 only

Published 2024-02-15. Last modified 2026-08-06.