The dissect_tds7_colmetadata_token function in epan/dissectors/packet-tds.c in the TDS dissector in Wireshark 2.0.x before 2.0.1 does not validate the number of columns, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.7% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)