AZL-105131

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Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-105131.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-105131
Upstream
  • CVE-2026-88831
Published
2026-09-23T18:17:10Z
Modified
2026-10-03T05:35:10Z
Summary
CVE-2026-88831 affecting package busybox 1.36.1-27
Details

BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.

References

Affected packages

Azure Linux:3 / busybox

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Last Affected
1.36.1-27

Database specific

source 
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-105131.json"