CVE-2013-5705 Security feature bypass in n/a

What is CVE-2013-5705?

CVE-2013-5705 is a medium-severity vulnerability in Debian Debian Linux, published on 15 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.

Which versions are affected by CVE-2013-5705?

It affects 2 products.

Products include Debian Debian Linux, Trustwave Modsecurity.

How do I fix CVE-2013-5705?

Upgrade to a fixed version.

Is CVE-2013-5705 being exploited?

There is no known exploitation of CVE-2013-5705 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 DEBIAN-CVE-2013-5705, DLA-34-1, DSA-2991-1, GHSA-36h6-r4f5-cjrw, MGASA-2014-0180.