Zlib Decompression Vulnerability in Wireshark

CVE-2018-14340 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.

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