CVE-2016-7958

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed...

7.5 HighFix available

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

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

2.25%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: CVE-2016-7958
CVSS 3.0: 7.5 HighCVSS:3.0/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-20
Updated: 2026-11-02

CVE List No score

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: CVE-2016-7958
Updated: 2026-11-02

EUVDEUVD-2016-8806 No score

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: EUVD-2016-8806
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mw35-x622-c54w 7.5

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed...

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: GHSA-mw35-x622-c54w
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

OSV 7.5

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: CVE-2016-7958
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-7958 7.5

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: DEBIAN-CVE-2016-7958
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-7958 7.5

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

Record: UBUNTU-CVE-2016-7958
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

wireshark

Affected packages

Affected packages
Package	Affected	Fixed
`wireshark` Debian:12	before 2.2.1+ga6fbd27-1	2.2.1+ga6fbd27-1
`wireshark` Debian:13	before 2.2.1+ga6fbd27-1	2.2.1+ga6fbd27-1
`wireshark` Debian:14	before 2.2.1+ga6fbd27-1	2.2.1+ga6fbd27-1
`wireshark` Ubuntu:14.04:LTS	before 2.6.3-1~ubuntu14.04.1, plus listed versions 1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-11.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1	2.6.3-1~ubuntu14.04.1
`wireshark` Ubuntu:16.04:LTS	before 2.6.3-1~ubuntu16.04.1, plus listed versions 1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04	2.6.3-1~ubuntu16.04.1
`wireshark` Ubuntu:18.04:LTS	before 2.6.3-1~ubuntu18.04.1, plus listed versions 2.4.2-12.4.3-12.4.4-12.4.5-1	2.6.3-1~ubuntu18.04.1

History

History
Recorded	Changed	Sources
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-2016-7958 is a high vulnerability (CVSS 7.5) in Wireshark, published April 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.25%, the 82nd percentile. Fixed in wireshark 2.2.1+ga6fbd27-1.

References

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