CVE-2019-6471
A race condition when discarding malformed packets can cause BIND to exit with an assertion failure
At a glance Severity MEDIUM 5.9 EPSS EPSS 3.29 % · percentile 88 (2026-10-28) State PUBLISHED Published 2019-10-09 Updated 2024-09-17 Assigner isc NVD status Modified
Description A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
Scores Version Score Vector Scored by CVSS 3.0 MEDIUM 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H isc CVSS 3.1 MEDIUM 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · nvd@nist.gov (Primary) CVSS 3.0 MEDIUM 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · security-officer@isc.org (Secondary) CVSS 2.0 MEDIUM 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_local_traffic_manager:14.1.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_local_traffic_manager:15.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.1.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.1.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_analytics:14.1.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_analytics:15.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_access_policy_manager:15.0.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 11.5.2 ≤ 11.5.9cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 11.6.1 ≤ 11.6.4cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 12.1.0 ≤ 12.1.4cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.1cpe:2.3:a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:*+69 more
Affected products Product Versions ISC · BIND 9 affected BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
References
Sources