CVE-2022-48279 Security feature bypass in n/a

What is CVE-2022-48279?

CVE-2022-48279 is a high-severity vulnerability in Debian Debian Linux, published on 20 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In ModSecurity before 2.9.6 and 3.x before 3.0.8, HTTP multipart requests were incorrectly parsed and could bypass the Web Application Firewall. NOTE: this is related to CVE-2022-39956 but can be considered independent changes to the ModSecurity (C language) codebase.

Weakness: CWE-436

Which versions are affected by CVE-2022-48279?

2 open source packages ship an affected version, including modsecurity and modsecurity2. It affects 3 products.

Products include Debian Debian Linux, Owasp Modsecurity, Trustwave Modsecurity.

How do I fix CVE-2022-48279?

Upgrade modsecurity to 2.9.6 or later.

Is CVE-2022-48279 being exploited?

There is no known exploitation of CVE-2022-48279 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-43705, AZL-45216, BIT-modsecurity-2022-48279, BIT-modsecurity2-2022-48279, DEBIAN-CVE-2022-48279, GHSA-6fhx-fm6h-hpxq and 11 more.