| Package | Affected versions | Patched versions |
|---|---|---|
| http server | = 2.2= 2.2.0= 2.2.11= 2.2.12= 2.2.13= 2.2.14= 2.2.2= 2.2.3= 2.2.4= 2.2.6= 2.2.8= 2.2.9 |
The ap_proxy_ajp_request function in mod_proxy_ajp.c in mod_proxy_ajp in the Apache HTTP Server 2.2.x before 2.2.15 does not properly handle certain situations in which a client sends no request body, which allows remote attackers to cause a denial of service (backend server outage) via a crafted request, related to use of a 500 error code instead of the appropriate 400 error code.
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