CVE-2017-9372

7.5 highEPSS 4.0%

PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 4.0% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-06-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

digium:certified_asterisk
digium:open_source

References

http://downloads.asterisk.org/pub/security/AST-2017-002.txt
http://www.debian.org/security/2017/dsa-3933
http://www.securityfocus.com/bid/98572
http://www.securitytracker.com/id/1038529
https://bugs.debian.org/863901

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