CVE-2017-11521

The SdpContents::Session::Medium::parse function in resip/stack/SdpContents.cxx in reSIProcate 1...

7.5 HighFix available

The SdpContents::Session::Medium::parse function in resip/stack/SdpContents.cxx in reSIProcate 1.10.2 allows remote attackers to cause a denial of service (memory consumption) by triggering many media connections.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

2.33%Up 1.0 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2017-11521
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-11521
Updated: 2026-11-02

EUVDEUVD-2017-3137 No score

Record: EUVD-2017-3137
Updated: 2026-11-03

GitHub AdvisoriesGHSA-h7q8-9c94-6cmr 7.5

The SdpContents::Session::Medium::parse function in resip/stack/SdpContents.cxx in reSIProcate 1...

Record: GHSA-h7q8-9c94-6cmr
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSV 7.5

Record: CVE-2017-11521
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-11521 7.5

Record: UBUNTU-CVE-2017-11521
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`resiprocate` Debian:7	before 1.8.5-4+deb7u1, plus listed versions 1.8.5-4	1.8.5-4+deb7u1
`resiprocate` Debian:8 From an advisory covering 2 CVEs	before 1:1.9.7-5+deb8u1, plus listed versions 1:1.9.7-5	1:1.9.7-5+deb8u1
`resiprocate` Debian:9 From an advisory covering 2 CVEs	before 1:1.11.0~beta1-3+deb9u2, plus listed versions 1:1.11.0~beta1-31:1.11.0~beta1-3+deb9u1	1:1.11.0~beta1-3+deb9u2
`resiprocate` Ubuntu:16.04:LTS	All versions, plus listed versions 1:1.10.0-11:1.10.1-11:1.10.1-21:1.10.1-2ubuntu1	None known
`resiprocate` Ubuntu:18.04:LTS	All versions, plus listed versions 1:1.11.0~beta5-1	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-11521 is a high vulnerability (CVSS 7.5) in Resiprocate, published July 22, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.33%, the 83rd percentile. Fixed in resiprocate 1.8.5-4+deb7u1.