Home/CVE/A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion
CVE

CVE-2019-6471

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion

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.

MEDIUM · CVSS 5.9 EPSS 0.0139
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-617Reachable Assertion
▤

Affected Products & Versions

44
f5 big-ip local traffic manager>= 11.5.2 and <= 11.5.9
f5 big-ip local traffic manager>= 11.6.1 and <= 11.6.4
f5 big-ip local traffic manager>= 12.1.0 and <= 12.1.4
f5 big-ip local traffic manager>= 13.1.0 and <= 13.1.1
f5 big-ip local traffic managerall versions
f5 big-ip application acceleration manager>= 11.5.2 and <= 11.5.9
f5 big-ip application acceleration manager>= 11.6.1 and <= 11.6.4
f5 big-ip application acceleration manager>= 12.1.0 and <= 12.1.4
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security-officer@isc.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Oct 2019 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10650-1
suse-csafopenSUSE-SU-2019:2263-1
suse-csafopenSUSE-SU-2019:2265-1
suse-csafSUSE-SU-2019:2550-1
suse-csafSUSE-SU-2019:2502-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.isc.org/docs/cve-2019-6471Third Party Advisory
https://support.f5.com/csp/article/K10092301?utm_source=f5support&amp
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