wnpa-sec-2018-31 · Q.931 dissector crash


Name: Q.931 dissector crash

Docid: wnpa-sec-2018-31

Date: May 22, 2018

Affected versions: 2.6.0, 2.4.0 to 2.4.6, 2.2.0 to 2.2.14

Fixed versions: 2.6.1, 2.4.7, 2.2.15

Wireshark bug 14689



The Q.931 dissector could crash. 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 2.6.1, 2.4.7, 2.2.15 or later.

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