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Vulnerability Database · Debian · modsecurity-apache · Version

modsecurity-apache 2.9.3-3

2.9.3-3 is affected by 11 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to.

Critical 0 High 1 Medium 0 Low 0 Unrated 10

All modsecurity-apache versions & vulnerabilities → Search the database for this package →
Database updated 23/Oct/2026

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01 Vulnerabilities affecting this version

modsecurity-apache 2.9.3-3 vulnerabilities

11 vulnerabilities cover modsecurity-apache 2.9.3-3. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
Web Application Firewall Bypass in ModSecurity: CVE-2023-24021 7.5 high 2.9.3-3+deb11u2 20 Jan 2023
Critical Security Update for modsecurity-apache: CVE-2025-54571 N/A unrated 2.9.3-3+deb11u5 07 Sep 2025
Critical Vulnerability in ModSecurity-Apache: HTTP Response Content-Type Override N/A unrated 2.9.3-3+deb11u5 06 Aug 2025
Critical Vulnerability in ModSecurity-Apache: HTTP Response Content-Type Override N/A unrated 2.9.3-3+deb11u5 06 Aug 2025
Critical Security Update for modsecurity-apache: Addressing CVE-2025-48866 N/A unrated 2.9.3-3+deb11u4 09 Jun 2025
Denial of Service Vulnerability in ModSecurity Apache - CVE-2025-48866 N/A unrated 2.9.3-3+deb11u4 02 Jun 2025
Denial of Service Vulnerability in ModSecurity-Apache: Versions Prior to 2.9.10 N/A unrated 2.9.3-3+deb11u4 02 Jun 2025
Critical Security Update for modsecurity-apache: CVE-2025-47947 N/A unrated 2.9.3-3+deb11u3 29 May 2025
Denial of Service Vulnerability in ModSecurity Apache Package N/A unrated 2.9.3-3+deb11u3 21 May 2025
Denial of Service Vulnerability in ModSecurity-Apache: Critical Update Required N/A unrated 2.9.3-3+deb11u3 21 May 2025
ModSecurity Apache Vulnerability: Bypass Risk Due to Improper Handling of Null Bytes N/A unrated 2.9.3-3+deb11u2 20 Jan 2023

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Questions

About modsecurity-apache 2.9.3-3

Is modsecurity-apache 2.9.3-3 vulnerable?

Yes. 11 vulnerabilities in the Vulert database cover modsecurity-apache 2.9.3-3: 0 critical, 1 high, 0 medium and 0 low, plus 10 not yet rated. Each entry above names the fixed version to move to.

How do I monitor modsecurity-apache for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the modsecurity-apache version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.