AZL-86757

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86757.json

JSON Data

https://api.osv.dev/v1/vulns/AZL-86757

Upstream

CVE-2026-4891

Published

2026-05-11T18:16:41Z

Modified

2026-08-31T05:26:27Z

Summary

CVE-2026-4891 affecting package dnsmasq for versions less than 2.92-1

Details

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-4891

Affected packages

Azure Linux:3 / 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

2.92-1

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86757.json"