CVE-2016-6504

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-08-06 · updated 2026-06-17
Weakness: CWE-476

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.

Affected products

Wireshark Foundation Wireshark: 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5 (+7)

References

http://openwall.com/lists/oss-security/2016/07/28/3
http://www.debian.org/security/2016/dsa-3648
http://www.securityfocus.com/bid/92164
http://www.securitytracker.com/id/1036480
http://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%3Ba=commit%3Bh=9eacbb4d48df647648127b9258f9e5aeeb0c7d99
https://www.exploit-db.com/exploits/40194/
http://openwall.com/lists/oss-security/2016/07/28/3
http://www.debian.org/security/2016/dsa-3648
http://www.securityfocus.com/bid/92164
http://www.securitytracker.com/id/1036480

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