Kamailio version 4.3.4 suffers from a heap overflow vulnerability in the SEAS module.
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Kamailio version 5.4.0 is vulnerable to header smuggling via a bypass of remove_hf.
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Ubuntu Security Notice 4240-1 - It was discovered that Kamailio incorrectly handled a specially crafted file. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.
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Debian Linux Security Advisory 4292-1 - Henning Westerholt discovered a flaw related to the Via header processing in kamailio, a very fast, dynamic and configurable SIP server. An unauthenticated attacker can take advantage of this flaw to mount a denial of service attack via a specially crafted SIP message with an invalid Via header.
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Debian Linux Security Advisory 4267-1 - Henning Westerholt discovered a flaw related to the To header processing in kamailio, a very fast, dynamic and configurable SIP server. Missing input validation in the build_res_buf_from_sip_req function could result in denial of service and potentially the execution of arbitrary code.
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Debian Linux Security Advisory 4148-1 - Alfred Farrugia and Sandro Gauci discovered an off-by-one heap overflow in the Kamailio SIP server which could result in denial of service and potentially the execution of arbitrary code.
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Kamailio versions 5.1.1, 5.1.0, and 5.0.0 suffer from an off-by-one heap overflow vulnerability.
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Debian Linux Security Advisory 3535-1 - Stelios Tsampas discovered a buffer overflow in the Kamailio SIP proxy which might result in the execution of arbitrary code.
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