Description
In Wireshark through 2.0.13 and 2.2.x through 2.2.7, the WBXML dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-wbxml.c by adding validation of the relationships between indexes and lengths. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-7702.
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 | 2.4.0-1 | — |
| Debian 13 | wireshark | 2.4.0-1 | — |
| Debian 12 | wireshark | 2.4.0-1 | — |
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 SP3 | wireshark | 2.2.8-48.6.1 | SUSE-SU-2017:2033-1 |
| SLES 12 SP2 | wireshark | 2.2.8-48.6.1 | SUSE-SU-2017:2033-1 |
| SLES 11 SP4 | wireshark | 2.0.14-40.7.1 | SUSE-SU-2017:2032-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | wireshark | 2.2.8-48.6.1 | SUSE-SU-2017:2033-1 |
| SLES for SAP 12 SP2 | wireshark | 2.2.8-48.6.1 | SUSE-SU-2017:2033-1 |
| SLES for SAP 11 SP4 | wireshark | 2.0.14-40.7.1 | SUSE-SU-2017:2032-1 |
Advisories 2
- SUSE-SU-2017:2032-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2033-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026