Packages
- modsecurity-apache - Tighten web applications security for Apache
Details
Simon Studer discovered that ModSecurity incorrectly handled certain
JSON objects. An attacker could possibly use this issue to cause a denial
of service. (CVE-2025-47947)
It was discovered that ModSecurity incorrectly handled requests when
parsing certain form data. An attacker could possibly use this issue to
cause a denial of service. (CVE-2025-48866)
Simon Studer discovered that ModSecurity incorrectly handled certain
JSON objects. An attacker could possibly use this issue to cause a denial
of service. (CVE-2025-47947)
It was discovered that ModSecurity incorrectly handled requests when
parsing certain form data. An attacker could possibly use this issue to
cause a denial of service. (CVE-2025-48866)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.04 plucky | libapache2-mod-security2 – 2.9.8-1.1ubuntu0.1 | ||
| 24.10 oracular | libapache2-mod-security2 – 2.9.7-1ubuntu0.24.10.1 | ||
| 24.04 noble | libapache2-mod-security2 – 2.9.7-1ubuntu0.24.04.1~esm1 | ||
| 22.04 jammy | libapache2-mod-security2 – 2.9.5-1ubuntu0.1~esm2 | ||
| 20.04 focal | libapache2-mod-security2 – 2.9.3-1ubuntu0.1+esm1 | ||
| 18.04 bionic | libapache2-mod-security2 – 2.9.2-1ubuntu0.1~esm2 | ||
| 16.04 xenial | libapache2-mod-security2 – 2.9.0-1ubuntu0.1~esm2 | ||
| libapache2-modsecurity – 2.9.0-1ubuntu0.1~esm2 | |||
| 14.04 trusty | libapache2-mod-security2 – 2.7.7-2ubuntu0.1~esm2 | ||
| libapache2-modsecurity – 2.7.7-2ubuntu0.1~esm2 | |||
Reduce your security exposure
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