NetSight
high7.5

CVE-2018-14340

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.

Impact

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.

Affected products

VendorProductAffected versions
WiresharkWireshark
from 2.2.0 through 2.2.15
from 2.4.0 through 2.4.7
from 2.6.0 through 2.6.1
DebianDebian Linux
Version 8.0

Weakness classification

References