Race Condition Affecting bind-libs package, versions <32:9.11.4-17.P2.el8_0.1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (47th percentile)

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  • Snyk IDSNYK-RHEL8-BINDLIBS-3461052
  • published26 Jul 2021
  • disclosed19 Jun 2019

Introduced: 19 Jun 2019

CVE-2019-6471  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bind-libs to version 32:9.11.4-17.P2.el8_0.1 or higher.
This issue was patched in RHSA-2019:1714.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind-libs package and not the bind-libs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1