CVE-2026-96421: medium-severity vulnerability in Wireshark
Improperly Controlled Sequential Memory Allocation in Wireshark
Published
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
USB HID protocol dissector infinite loop and memory leak in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Wireshark Foundation · WiresharkRelated CVEs — Wireshark
In the same product, most dangerous first.