Red Hat Security Advisory 2012-0509-01 - Wireshark is a program for monitoring network traffic. Wireshark was previously known as Ethereal. Several flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly, execute arbitrary code as the user running Wireshark. Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or opened a malicious dump file.
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Debian Linux Security Advisory 2274-1 - Wireshark packages have been updated. Huzaifa Sidhpurwala, David Maciejak and others discovered several vulnerabilities in the X.509if and DICOM dissectors and in the code to process various capture and dictionary files, which could lead to denial of service or the execution of arbitrary code.
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