wnpa-sec-2012-10 · Wireshark memory alignment flaw


Name: Wireshark memory alignment flaw

Docid: wnpa-sec-2012-10

Date: May 21, 2012

Affected versions: 1.4.0 to 1.4.12, 1.6.0 to 1.6.7

Fixed versions: 1.4.13, 1.6.8

References: Wireshark bug 7221



Wireshark could crash on SPARC or Itanium processors due to misaligned memory. Discovered by Klaus Heckelmann.


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 1.4.13, 1.6.8 or later.

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