Description
epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap 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 | 2.2.0~rc1+g438c022-1 | — |
| Debian 13 | wireshark | 2.2.0~rc1+g438c022-1 | — |
| Debian 12 | wireshark | 2.2.0~rc1+g438c022-1 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u9 | DSA-3671-1 |
| Debian 7 | wireshark | 1.12.1+g01b65bf-4+deb8u6~deb7u4 | DLA-632-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | wireshark | 2.2.6+g32dac6a-2ubuntu0.16.04 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | wireshark | 2.2.6-44.3 | SUSE-SU-2017:1442-1 |
| SLES 12 SP1 | wireshark | 2.2.6-44.3 | SUSE-SU-2017:1442-1 |
| SLES 11 SP4 | wireshark | 2.0.12-36.1 | SUSE-SU-2017:1174-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | wireshark | 2.2.6-44.3 | SUSE-SU-2017:1442-1 |
| SLES for SAP 12 SP1 | wireshark | 2.2.6-44.3 | SUSE-SU-2017:1442-1 |
| SLES for SAP 11 SP4 | wireshark | 2.0.12-36.1 | SUSE-SU-2017:1174-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 5
- DLA-632-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3671-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1442-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1174-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://code.wireshark.org/review/16852
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12700
- https://www.wireshark.org/security/wnpa-sec-2016-51.html
- 1036760 vdb-entry
- DSA-3671 vendor-advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6d8261994bb928b7e80e3a2478a3d939ea1ef373