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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 2.0 | — |
| Debian 13 | wireshark | 2.0 | — |
| Debian 12 | wireshark | 2.0 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u8 | DSA-3648-1 |
| Debian 7 | wireshark | 1.12.1+g01b65bf-4+deb8u6~deb7u3 | DLA-595-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | wireshark | 1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | wireshark | 1.12.13-31.1 | SUSE-SU-2016:2453-1 |
| SLES 11 SP4 | wireshark | 1.12.13-0.23.1 | SUSE-SU-2016:2212-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | wireshark | 1.12.13-31.1 | SUSE-SU-2016:2453-1 |
| SLES for SAP 11 SP4 | wireshark | 1.12.13-0.23.1 | SUSE-SU-2016:2212-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Wireshark 1.12.0 < 1.12.12 - NDS Dissector Denial of Service EDB-40194 · dos · Aug 3, 2016 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- DLA-595-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3648-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:2212-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2453-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20160728 CVE request: Wireshark 2.0.5 and 1.12.13 security releases mailing-list
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576
- DSA-3648 vendor-advisory
- 92164 vdb-entry
- 40194 exploit
- http://www.wireshark.org/security/wnpa-sec-2016-40.html
- 1036480 vdb-entry
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9eacbb4d48df647648127b9258f9e5aeeb0c7d99