VYPR
High severity7.5NVD Advisory· Published May 21, 2025· Updated Jun 17, 2026

CVE-2025-47947

CVE-2025-47947

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

26

Patches

Vulnerability mechanics

References

2

News mentions

0

No linked articles in our index yet.