Description
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
Scores
CVSS v3
7.5
EPSS
0.0030
EPSS Percentile
53.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-354
Status
published
Products (8)
debian/debian_linux
9.0
fedoraproject/fedora
31
fedoraproject/fedora
32
fedoraproject/fedora
33
opensuse/leap
15.1
opensuse/leap
15.2
oracle/zfs_storage_appliance_firmware
8.8
wireshark/wireshark
2.6.0 - 2.6.20
Published
Oct 06, 2020
Tracked Since
Feb 18, 2026