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Vulnerability record · CVE-2014-9374 · published 12 December 2014

CVE-2014-9374: Digium certified asterisk vulnerability

Digium · Certified Asterisk

Double free vulnerability in the WebSocket Server (res_http_websocket module) in Asterisk Open Source 11.x before 11.14.2, 12.x before 12.7.2, and 13.x before 13.0.2 and Certified Asterisk 11.6 before 11.6-cert9 allows remote attackers to cause a denial of service (crash) by sending a zero length frame after a non-zero length frame.

5.0 CVSS 2.0 Medium EPSS 9.5% · top 4.7%
5.0CVSS 2.0 base score
9.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Double free vulnerability in the WebSocket Server (res_http_websocket module) in Asterisk Open Source 11.x before 11.14.2, 12.x before 12.7.2, and 13.x before 13.0.2 and Certified Asterisk 11.6 before 11.6-cert9 allows remote attackers to cause a denial of service (crash) by sending a zero length frame after a non-zero length frame.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://advisories.mageia.org/MGASA-2015-0010.html
http://downloads.asterisk.org/pub/security/AST-2014-019.html PatchVendor Advisory
http://packetstormsecurity.com/files/129473/Asterisk-Project-Security-Advisory-AST-2014-019.html
http://seclists.org/fulldisclosure/2014/Dec/48
http://secunia.com/advisories/60251
http://www.mandriva.com/security/advisories?name=MDVSA-2015:018
http://www.securityfocus.com/archive/1/534197/100/0/threaded
http://www.securityfocus.com/bid/71607
http://www.securitytracker.com/id/1031345
http://advisories.mageia.org/MGASA-2015-0010.html
http://downloads.asterisk.org/pub/security/AST-2014-019.html PatchVendor Advisory
http://packetstormsecurity.com/files/129473/Asterisk-Project-Security-Advisory-AST-2014-019.html
http://seclists.org/fulldisclosure/2014/Dec/48
http://secunia.com/advisories/60251
http://www.mandriva.com/security/advisories?name=MDVSA-2015:018
http://www.securityfocus.com/archive/1/534197/100/0/threaded
http://www.securityfocus.com/bid/71607
http://www.securitytracker.com/id/1031345

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-9374), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.