epan/dissectors/packet-http2.c in the HTTP/2 dissector in Wireshark 2.0.x before 2.0.2 does not limit the amount of header data, which allows remote attackers to cause a denial of service (memory consumption or application crash) via a crafted packet.
Severity
CVSS 3.0
5.9 medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)