Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-40943.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-40943
Upstream
Published
2021-05-07T12:15:07Z
Modified
2026-04-01T05:14:16.920518Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2021-3502 affecting package avahi for versions less than 0.8-1
Details

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahishostnameresolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability.

References

Affected packages

Azure Linux:3 / avahi

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-40943.json"