Description
In Wireshark 2.2.0 to 2.2.6, the IPv6 dissector could crash. This was addressed in epan/dissectors/packet-ipv6.c by validating an IPv6 address.
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 | 2.2.7-1 | — |
| Debian 13 | wireshark | 2.2.7-1 | — |
| Debian 12 | wireshark | 2.2.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wireshark | 2.6.3-1~ubuntu18.04.1 | — |
| Ubuntu 16.04 LTS | wireshark | 2.6.3-1~ubuntu16.04.1 | — |
| Ubuntu 14.04 LTS | wireshark | 2.6.3-1~ubuntu14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | wireshark | 2.2.7-47.1 | SUSE-SU-2017:1663-1 |
| SLES 11 SP4 | wireshark | 2.0.13-39.1 | SUSE-SU-2017:1664-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | wireshark | 2.2.7-47.1 | SUSE-SU-2017:1663-1 |
| SLES for SAP 11 SP4 | wireshark | 2.0.13-39.1 | SUSE-SU-2017:1664-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.4.8-1.2 | openSUSE-SU-2024:11513-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 2.2.7-r0 | — |
| Alpine v3.23 | wireshark | 2.2.7-r0 | — |
| Alpine v3.22 | wireshark | 2.2.7-r0 | — |
| Alpine v3.21 | wireshark | 2.2.7-r0 | — |
| Alpine v3.20 | wireshark | 2.2.7-r0 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 2.2.7-r0 | — |
| Alpine v3.18 | wireshark | 2.2.7-r0 | — |
| Alpine v3.17 | wireshark | 2.2.7-r0 | — |
| Alpine v3.16 | wireshark | 2.2.7-r0 | — |
| Alpine v3.15 | wireshark | 2.2.7-r0 | — |
| Alpine v3.14 | wireshark | 2.2.7-r0 | — |
| Alpine v3.13 | wireshark | 2.2.7-r0 | — |
| Alpine v3.12 | wireshark | 2.2.7-r0 | — |
| Alpine v3.11 | wireshark | 2.2.7-r0 | — |
| Alpine v3.10 | wireshark | 2.2.7-r0 | — |
| Alpine v3.9 | wireshark | 2.2.7-r0 | — |
| Alpine v3.8 | wireshark | 2.2.7-r0 | — |
| Alpine v3.7 | wireshark | 2.2.7-r0 | — |
| Alpine v3.6 | wireshark | 2.2.7-r0 | — |
| Alpine v3.5 | wireshark | 2.2.7-r0 | — |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Wireshark 2.2.6 - IPv6 Dissector Denial of Service EDB-42123 · dos · Jun 5, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- SUSE-SU-2017:1663-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11513-1 libwireshark14-3.4.8-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1664-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1303
- 98805 vdb-entry
- 42123 exploit
- https://www.wireshark.org/security/wnpa-sec-2017-33.html
- 1038612 vdb-entry
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=40b2d475c2ad550c1a0f536d5eb30f2a7404c4f0
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13675