wnpa-sec-2017-13 · WBXML dissector infinite loop


Name: WBXML dissector infinite loop

Docid: wnpa-sec-2017-13

Date: April 12, 2017

Affected versions: 2.2.0 to 2.2.7, 2.0.0 to 2.0.13

Fixed versions: 2.2.8, 2.0.14

Wireshark bug 13477
Wireshark bug 13796



The WBXML dissector could go into an infinite loop. Discovered by Otto Airamo and Antti Levomäki, Forcepoint.


It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.


Upgrade to Wireshark 2.2.8, 2.0.14 or later.

Update: July 18, 2017

Updated for Wireshark 2.2.8 and 2.0.14. Added bug 13796.
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