CVE-2018-18227
In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector could crash.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector could crash. This was addressed in epan/dissectors/packet-mswsp.c by properly handling NULL return values.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.18% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- wireshark/wireshark · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/105583Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041909Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15119Issue Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d443be449a52f95df5754adc39e1f3472fec2f03
- https://www.debian.org/security/2018/dsa-4359Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.wireshark.org/security/wnpa-sec-2018-47.htmlPatch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/105583Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041909Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15119Issue Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d443be449a52f95df5754adc39e1f3472fec2f03
- https://www.debian.org/security/2018/dsa-4359Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.wireshark.org/security/wnpa-sec-2018-47.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.