CVE-2016-7551

Summary

CVECVE-2016-7551
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-04-17 16:59:00 UTC
Updated2025-04-20 01:37:25 UTC
Descriptionchain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

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

Problem Types: CWE-399 | n/a


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Application Digium Asterisk 11.0.0 All All All
Application Digium Asterisk 11.0.0 beta1 All All
Application Digium Asterisk 11.0.0 beta2 All All
Application Digium Asterisk 11.0.0 rc1 All All
Application Digium Asterisk 11.0.0 rc2 All All
Application Digium Asterisk 11.0.1 All All All
Application Digium Asterisk 11.0.2 All All All
Application Digium Asterisk 11.1.0 All All All
Application Digium Asterisk 11.1.0 rc1 All All
Application Digium Asterisk 11.1.0 rc3 All All
Application Digium Asterisk 11.1.1 All All All
Application Digium Asterisk 11.1.2 All All All
Application Digium Asterisk 11.10.0 All All All
Application Digium Asterisk 11.10.1 All All All
Application Digium Asterisk 11.10.2 All All All
Application Digium Asterisk 11.11.0 All All All
Application Digium Asterisk 11.12.0 All All All
Application Digium Asterisk 11.12.1 All All All
Application Digium Asterisk 11.13.0 All All All
Application Digium Asterisk 11.13.1 All All All
Application Digium Asterisk 11.14.0 All All All
Application Digium Asterisk 11.14.1 All All All
Application Digium Asterisk 11.14.2 All All All
Application Digium Asterisk 11.15.0 All All All
Application Digium Asterisk 11.15.1 All All All
Application Digium Asterisk 11.16.0 All All All
Application Digium Asterisk 11.17.0 All All All
Application Digium Asterisk 11.17.1 All All All
Application Digium Asterisk 11.18.0 All All All
Application Digium Asterisk 11.19.0 All All All
Application Digium Asterisk 11.2.0 All All All
Application Digium Asterisk 11.2.0 rc1 All All
Application Digium Asterisk 11.2.0 rc2 All All
Application Digium Asterisk 11.2.1 All All All
Application Digium Asterisk 11.2.2 All All All
Application Digium Asterisk 11.20.0 All All All
Application Digium Asterisk 11.21.0 All All All
Application Digium Asterisk 11.21.1 All All All
Application Digium Asterisk 11.21.2 All All All
Application Digium Asterisk 11.22.0 All All All
Application Digium Asterisk 11.22.0 rc1 All All
Application Digium Asterisk 11.23.0 All All All
Application Digium Asterisk 11.23.0 rc1 All All
Application Digium Asterisk 11.3.0 All All All
Application Digium Asterisk 11.4.0 All All All
Application Digium Asterisk 11.5.0 All All All
Application Digium Asterisk 11.5.1 All All All
Application Digium Asterisk 11.6.0 All All All
Application Digium Asterisk 11.6.1 All All All
Application Digium Asterisk 11.7.0 All All All
Application Digium Asterisk 11.8.0 All All All
Application Digium Asterisk 11.8.1 All All All
Application Digium Asterisk 11.9.0 All All All
Application Digium Asterisk 13.0.0 All All All
Application Digium Asterisk 13.0.0 beta1 All All
Application Digium Asterisk 13.0.0 beta2 All All
Application Digium Asterisk 13.0.0 beta3 All All
Application Digium Asterisk 13.0.1 All All All
Application Digium Asterisk 13.0.2 All All All
Application Digium Asterisk 13.1.0 All All All
Application Digium Asterisk 13.1.1 All All All
Application Digium Asterisk 13.10.0 All All All
Application Digium Asterisk 13.10.0 rc1 All All
Application Digium Asterisk 13.11.0 All All All
Application Digium Asterisk 13.2.0 All All All
Application Digium Asterisk 13.2.1 All All All
Application Digium Asterisk 13.3.0 All All All
Application Digium Asterisk 13.3.1 All All All
Application Digium Asterisk 13.3.2 All All All
Application Digium Asterisk 13.4.0 All All All
Application Digium Asterisk 13.5.0 All All All
Application Digium Asterisk 13.6.0 All All All
Application Digium Asterisk 13.7.0 All All All
Application Digium Asterisk 13.7.1 All All All
Application Digium Asterisk 13.7.2 All All All
Application Digium Asterisk 13.8.0 All All All
Application Digium Asterisk 13.8.0 rc1 All All
Application Digium Asterisk 13.8.1 All All All
Application Digium Asterisk 13.8.2 All All All
Application Digium Asterisk 13.9.0 All All All
Application Digium Asterisk 13.9.1 All All All
Application Digium Certified Asterisk 11.6 cert1 All All
Application Digium Certified Asterisk 11.6 cert1 All All
Application Digium Certified Asterisk 11.6 cert10 All All
Application Digium Certified Asterisk 11.6 cert11 All All
Application Digium Certified Asterisk 11.6 cert12 All All
Application Digium Certified Asterisk 11.6 cert13 All All
Application Digium Certified Asterisk 11.6 cert14 All All
Application Digium Certified Asterisk 11.6 cert15 All All
Application Digium Certified Asterisk 11.6 cert1_rc1 All All
Application Digium Certified Asterisk 11.6 cert1_rc2 All All
Application Digium Certified Asterisk 11.6 cert2 All All
Application Digium Certified Asterisk 11.6 cert2 All All
Application Digium Certified Asterisk 11.6 cert3 All All
Application Digium Certified Asterisk 11.6 cert3 All All
Application Digium Certified Asterisk 11.6 cert4 All All
Application Digium Certified Asterisk 11.6 cert5 All All
Application Digium Certified Asterisk 11.6 cert6 All All
Application Digium Certified Asterisk 11.6 cert7 All All
Application Digium Certified Asterisk 11.6 cert8 All All
Application Digium Certified Asterisk 11.6 cert9 All All
Application Digium Certified Asterisk 11.6.0 All All All
Application Digium Certified Asterisk 11.6.0 - All All
Application Digium Certified Asterisk 11.6.0 rc1 All All
Application Digium Certified Asterisk 11.6.0 rc2 All All
Application Digium Certified Asterisk 13.8 cert1 All All
Application Digium Certified Asterisk 13.8 cert1_rc1 All All
Application Digium Certified Asterisk 13.8 cert1_rc2 All All
Application Digium Certified Asterisk 13.8 cert1_rc3 All All
Application Digium Certified Asterisk 13.8 cert2_rc1 All All
Application Digium Certified Asterisk 13.8.0 All All All
Application Digium Certified Asterisk 13.8.0 rc1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-3700-1 asterisk af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
#838832 - asterisk: chan_sip: File descriptors leak (UDP sockets) / AST-2016-007, CVE-2016-7551 - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Issue Tracking, Patch, Third Party Advisory
1374733 – (CVE-2016-7551) CVE-2016-7551 asterisk: RTP Resource Exhaustion af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch
AST-2016-007 af854a3a-2127-422b-91ae-364da2661108 downloads.asterisk.org Mitigation, Vendor Advisory
[ASTERISK-26272] chan_sip: File descriptors leak (UDP sockets) - Digium/Asterisk JIRA af854a3a-2127-422b-91ae-364da2661108 issues.asterisk.org Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report