CVE-2016-6504
Publication date 6 August 2016
Last updated 25 August 2025
Ubuntu priority
Description
epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| wireshark | 18.04 LTS bionic |
Not affected
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Fixed 1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
|
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.9 · Medium
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Other references
- https://www.wireshark.org/security/wnpa-sec-2016-40.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9eacbb4d48df647648127b9258f9e5aeeb0c7d99
- http://www.openwall.com/lists/oss-security/2016/07/28/3
- https://www.cve.org/CVERecord?id=CVE-2016-6504