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OpenAdvisories
Medium ALAS2-2025-2981 1 CVE

Moderate: mod_security security update (Amazon Linux 2)

Published Aug 21, 2025 · Updated Sep 4, 2025

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-54571: ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response's Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.

Fixed packages 3

ReleasePackageFixed in
Amazon Linux · 2 mod_security 0:2.9.12-1.amzn2.0.1
Amazon Linux · 2 mod_security-debuginfo 0:2.9.12-1.amzn2.0.1
Amazon Linux · 2 mod_security-mlogc 0:2.9.12-1.amzn2.0.1

Vulnerabilities 1

  • Medium 6.9
    CVE-2025-54571

    ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure

    ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP sc…

    owasp-modsecurity ModSecurity modsecurity modsecurity-apache Debian Ubuntu Azure Linux

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-54571.html