wireshark: NCP dissector crash (wnpa-sec-2016-19)
Published Apr 25, 2016
5.9
MEDIUMCVSS 3.0
EPSS 1.75%
Description
epan/dissectors/packet-ncp2222.inc in the NCP dissector in Wireshark 2.0.x before 2.0.3 does not properly initialize memory for search patterns, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark
Will not fix
Red Hat Enterprise Linux 6
wireshark
Will not fix
Red Hat Enterprise Linux 7
wireshark
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.75% (0.01745) | 76.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01745) | 74.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00168) | 35.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.38% (0.00379) | 73.78th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00379) | 72.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00379) | 68.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (9)
- http://www.securitytracker.com/id/1035685 vdb-entryx_refsource_SECTRACK
- http://www.wireshark.org/security/wnpa-sec-2016-19.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-4076 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11591 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1330066 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=ea8e6955fcff21333c203bc00f69d5025761459b x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-4076
- https://www.cve.org/CVERecord?id=CVE-2016-4076
- https://www.wireshark.org/security/wnpa-sec-2016-19.html
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1035685 | vdb-entryx_refsource_SECTRACK | |
| http://www.wireshark.org/security/wnpa-sec-2016-19.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-4076 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11591 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1330066 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=ea8e6955fcff21333c203bc00f69d5025761459b | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4076 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-4076 | ||
| https://www.wireshark.org/security/wnpa-sec-2016-19.html |
Change history (0)
No recorded changes yet.