CVE-2026-3201 — Improperly Controlled Sequential Memory Allocation in Foundation Wireshark

CWE-1325 — Improperly Controlled Sequential Memory AllocationCWE-770 — Allocation of Resources Without Limits or Throttling7 documents7 sources
Severity
7.5HIGHNVD
CNA4.7
EPSS
0.0%
top 85.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Wireshark Foundation WiresharkWireshark
Timeline
PublishedFeb 25

Description

USB HID protocol dissector memory exhaustion in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDwireshark/wireshark4.4.0 — 4.4.14+1
▶CVEListV5wireshark_foundation/wireshark4.6.0 — 4.6.4+1
▶Debianwireshark/wireshark< 4.4.14-0+deb13u1+1

🔴Vulnerability Details

3
OSV
CVE-2026-3201: USB HID protocol dissector memory exhaustion in Wireshark 4↗2026-02-25
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CVEList
Improperly Controlled Sequential Memory Allocation in Wireshark↗2026-02-25
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GHSA
GHSA-3g96-v3mg-9xp9: USB HID protocol dissector memory exhaustion in Wireshark 4↗2026-02-25
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📋Vendor Advisories

2
Red Hat
wireshark: Improperly Controlled Sequential Memory Allocation in Wireshark↗2026-02-25
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Debian
CVE-2026-3201: wireshark - USB HID protocol dissector memory exhaustion in Wireshark 4.6.0 to 4.6.3 and 4.4...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-3201 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-3201 — Foundation Wireshark vulnerability | cvebase