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CVE-2022-3736

Good to know:

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Date: January 25, 2023

BIND 9 resolver can crash when stale cache and stale answers are enabled, option "stale-answer-client-timeout" is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2022-3736
https://access.redhat.com/security/cve/CVE-2022-3736
https://security.alpinelinux.org/vuln/CVE-2022-3736
https://nvd.nist.gov/vuln/detail/CVE-2022-3736
https://kb.isc.org/docs/cve-2022-3736
https://www.mend.io/vulnerability-database/CVE-2022-3736

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version https://github.com/isc-projects/bind9.git - v9.16.37;https://github.com/isc-projects/bind9.git - v9.18.11;https://github.com/isc-projects/bind9.git - v9.19.9

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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