AZL-8964

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Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8964.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-8964
Upstream
  • CVE-2021-45957
Published
2022-01-01T00:15:08Z
Modified
2026-04-21T04:34:56.463213Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
CVE-2021-45957 affecting package dnsmasq for versions less than 2.89-2
Details

Dnsmasq 2.86 has a heap-based buffer overflow in answerrequest (called from FuzzAnswerTheRequest and fuzzrfc1035.c). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.

References

Affected packages

Azure Linux:2 / dnsmasq

Package

Name
dnsmasq
Purl
pkg:rpm/azure-linux/dnsmasq

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.89-2

Database specific

source 
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8964.json"