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PRIOn knowledge basePRION:CVE-2021-26906HistoryFeb 18, 2021 - 8:15 p.m.
Design/Logic Flaw
2021-02-1820:15:00
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An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.
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