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CVE detail

CVE-2022-3924

This issue can affect BIND 9 resolvers with `stale-answer-enable yes;` that also make use of the option `stale-answer-client-timeout`, configured with a value greater than zero. If the resolver receives many queries that require recursion, there will be a corresponding increase in the number of clients that are waiting for recursion to complete. If there are sufficient clients already waiting when a new client query is received so that it is necessary to SERVFAIL the longest waiting client (see BIND 9 ARM `recursive-clients` limit and soft quota), then it is possible for a race to occur between providing a stale answer to this older client and sending an early timeout SERVFAIL, which may cause an assertion failure. 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 7.5 · HighBuzz score 27.6

Buzz score

Why this CVE is surfacing

Buzz score total 27.6

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
11.5
3 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • Remotely Exploitable DoS Vulnerabilities Patched in BINDSecurityWeek

    The latest BIND updates address three high-severity, remotely exploitable vulnerabilities leading to denial-of-service (DoS).

    newswww.securityweek.comJun 26, 2023, 10:32 AM
  • 30th January – Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 30th January, please download our Threat_Intelligence Bulletin TOP ATTACKS AND BREACHE The ALPHV/BlackCat Ransomware group has allegedly hacked Westmont Hospitality Group, one of the largest privately-held hospitality businesses in the world. They claim to have obtained access to 262GB of the company’s data. Check […]

    vendorresearch.checkpoint.comJan 30, 2023, 3:37 PM
  • ISC fixed high-severity flaws in DNS software suite BINDSecurity Affairs

    The latest BIND updates patch multiple remotely exploitable vulnerabilities that could lead to denial-of-service (DoS). BIND is a suite of software for interacting with the Domain Name System (DNS) maintained by the Internet Systems Consortium (ISC). The ISC released security patches to address multiple high-severity denial-of-service DoS vulnerabilities in the DNS software suite. Threat actors can exploit […]

    newssecurityaffairs.comJan 28, 2023, 11:22 AM
  • BIND Updates Patch High-Severity, Remotely Exploitable DoS FlawsSecurityWeek

    The latest BIND updates patch multiple remotely exploitable vulnerabilities that could lead to denial-of-service (DoS).

    newswww.securityweek.comJan 27, 2023, 2:06 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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