vulnerability
Ubuntu: (CVE-2018-7421): wireshark vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Feb 23, 2018 | Nov 19, 2024 | Aug 19, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 23, 2018
Added
Nov 19, 2024
Modified
Aug 19, 2025
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
Solution
ubuntu-upgrade-wireshark
References
- CVE-2018-7421
- https://attackerkb.com/topics/CVE-2018-7421
- CWE-835
- URL-https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408
- URL-https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=656812ee1f2a8ddfd383b02a066e888f5919e17a
- URL-https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e8be5adae469ba563acfad2c2b98673e1afaf901
- URL-https://www.cve.org/CVERecord?id=CVE-2018-7421
- URL-https://www.wireshark.org/security/wnpa-sec-2018-06.html
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.