CVE-2016-6504 json
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…
published 2016-08-06 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7426
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.6%
- EPSS 6.6% chance of exploitation in 30 days, percentile 93%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- wireshark Debian 14, Debian 13, Debian 12 2.0
debian advisories DEBIAN-CVE-2016-6504
- wireshark Ubuntu 14.04 LTS 1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
ubuntu advisories UBUNTU-CVE-2016-6504
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- wireshark SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 1.12.13-31.1
- wireshark SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.12.13-0.23.1
suse advisories SUSE-SU-2016:2453-1SUSE-SU-2016:2212-1
Timeline
- First public exploit (EDB-40194)
- Published
Exploit prediction
6.59% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-40194 Wireshark 1.12.0 < 1.12.12 - NDS Dissector Denial of Service dos, 2016-08-03
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
exploit-db.com
/exploits/40194/
exploit
-
debian.org
/security/2016/dsa-3648
vendor-advisory
-
wireshark.org
/security/wnpa-sec-2016-40.html
vendor-advisory
-
openwall.com
/lists/oss-security/2016/07/28/3
mailing-list
-
bugs.wireshark.org
/bugzilla/show_bug.cgi?id=12576
issue-tracking
-
securityfocus.com
/bid/92164
vdb-entry
-
securitytracker.com
/id/1036480
vdb-entry
- code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9eacbb4d48df647648127b9258f9e5aeeb0c7d99
Sources
- CVE List CVE-2016-6504
- NVD CVE-2016-6504
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.