wnpa-sec-2017-29 · BT L2CAP dissector divide by zero


Name: BT L2CAP dissector divide by zero

Docid: wnpa-sec-2017-29

Date: June 1, 2017

Affected versions: 2.2.0 to 2.2.6, 2.0.0 to 2.0.12

Fixed versions: 2.2.7, 2.0.13

Wireshark bug 13701



The Bluetooth L2CAP dissector could divide by zero. Discovered by the OSS-Fuzz project.


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


Upgrade to Wireshark 2.2.7, 2.0.13 or later.

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