Vulnerability Database · Debian · modsecurity-apache · Version
modsecurity-apache 2.9.3-3 deb11u4
2.9.3-3 deb11u4 is affected by 3 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 0 Medium 0 Low 0 Unrated 3
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Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
modsecurity-apache 2.9.3-3 deb11u4 vulnerabilities
3 vulnerabilities cover modsecurity-apache 2.9.3-3 deb11u4. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| 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 |
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Questions
About modsecurity-apache 2.9.3-3 deb11u4
Is modsecurity-apache 2.9.3-3 deb11u4 vulnerable?
Yes. 3 vulnerabilities in the Vulert database cover modsecurity-apache 2.9.3-3 deb11u4: 0 critical, 0 high, 0 medium and 0 low, plus 3 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.