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CVE-2019-18976

CVE-2019-18976

EPSS 6.7%
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
Productos afectados
n/a · n/a

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Referencias
http://downloads.asterisk.org/pub/security/AST-2019-008.htmlhttps://lists.debian.org/debian-lts-announce/2022/04/msg00001.htmlhttps://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.htmlhttps://seclists.org/fulldisclosure/2019/Nov/20https://www.asterisk.org/downloads/security-advisorieshttps://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1