Name: CVE-2016-2316: Integer Underflow (Wrap or Wraparound)
Creator: Rapid7
Published: 2016-02-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-2316, CWE-191, CVSS 5.9, EPSS 0.01094

chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.

CVSS Details

CVSS 3.1 Base Score: 5.9
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade asterisk	Oct 26, 2016	Feb 22, 2016
Freebsd	—	Upgrade asterisk11Upgrade asterisk13Upgrade asterisk	Dec 10, 2025	Feb 4, 2016
Ubuntu	—	No solution exists	Jun 26, 2025	Feb 22, 2016

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CVSS Details

Covered by Rapid7

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