Ubuntu Security Notice 5834-1 - It was discovered that the Apache HTTP Server mod_dav module did not properly handle specially crafted request headers. A remote attacker could possibly use this issue to cause the process to crash, leading to a denial of service. It was discovered that the Apache HTTP Server mod_proxy_ajp module did not properly handle certain invalid Transfer-Encoding headers. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.
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