CVE-2018-7334
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value.
- 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
- 2.67% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- wireshark/wireshark · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.7% 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://www.securityfocus.com/bid/103162Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14339Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=8ed705e1227d3d582e3f0de435bba606d053d686
- https://lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4217Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-07.htmlVendor Advisory
- http://www.securityfocus.com/bid/103162Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14339Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=8ed705e1227d3d582e3f0de435bba606d053d686
- https://lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4217Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-07.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.