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CVE-2022-3736

HIGH
Published 2023-01-25T21:39:18.187Z
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Expert Analysis

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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.011
probability
of exploitation in the wild

There is a 1.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.775
Higher than 77.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

ISC

BIND 9

Affected Versions:

9.16.12 9.18.0 9.19.0 9.16.12-S1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-5v6f-5gpq-2628

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-3736
WEB https://kb.isc.org/docs/cve-2022-3736

Advisory provided by GitHub Security Advisory Database. Published: January 26, 2023, Modified: February 3, 2023

References

https://kb.isc.org/docs/cve-2022-3736
Published: 2023-01-25T21:39:18.187Z
Last Modified: 2025-04-01T14:10:47.439Z
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