Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-62426.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-62426
Upstream
Published
2025-05-21T22:15:50Z
Modified
2026-04-01T05:20:04.748246Z
Summary
CVE-2025-47947 affecting package mod_security 2.9.7-8
Details

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions up to and including 2.9.8 are vulnerable to denial of service in one special case (in stable released versions): when the payload's content type is application/json, and there is at least one rule which does a sanitiseMatchedBytes action. A patch is available at pull request 3389 and expected to be part of version 2.9.9. No known workarounds are available.

References

Affected packages

Azure Linux:3 / mod_security

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
2.9.7-8

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-62426.json"