Wireshark (formerly Ethereal) 0.10.14 through 1.0.2 allows attackers to cause a denial of service (crash) via a packet with crafted zlib-compressed data that triggers an invalid read in the tvbuncompress function.
The SigComp Universal Decompressor Virtual Machine dissector in Wireshark 0.10.7 through 1.0.13 and 1.2.0 through 1.2.8 allows remote attackers to cause a denial of service (infinite loop) via unknown vectors.
The SMB PIPE dissector in Wireshark 0.8.20 through 1.0.13 and 1.2.0 through 1.2.8 allows remote attackers to cause a denial of service (NULL pointer dereference) via unknown vectors.