CVE-2026-3201— Improperly Controlled Sequential Memory Allocation in Wireshark
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I. Basic Information for CVE-2026-3201
Vulnerability Information
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Vulnerability Title
Improperly Controlled Sequential Memory Allocation in Wireshark
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1325
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wireshark 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wireshark是导线鲨鱼（Wireshark）团队的一套网络数据包分析软件。该软件的功能是截取网络数据包，并显示出详细的数据以供分析。 Wireshark 4.6.0版本至4.6.3版本和4.4.0版本至4.4.13版本存在安全漏洞，该漏洞源于USB HID协议解析器存在内存耗尽，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 ~ 4.6.4 | - |
II. Public POCs for CVE-2026-3201
| # | POC Description | Source Link | Shenlong Link |
|---|
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- USB-HID: Resource exhaustion in parse_report_descriptor() due to missing array size limit (#20972) · Issue · wireshark/wiresharkissue-trackingpermissions-required
- https://nvd.nist.gov/vuln/detail/CVE-2026-3201
Same Patch Batch · Wireshark Foundation · 2026-02-25 · 3 CVEs total
| CVE-2026-3203 | 5.5 MEDIUM | Buffer Over-read in Wireshark |
| CVE-2026-3202 | 4.7 MEDIUM | NULL Pointer Dereference in Wireshark |
IV. Related Vulnerabilities
Same product: Wireshark
- CVE-2026-6525
NULL Pointer Dereference in Wireshark - CVE-2026-5404
Buffer Copy without Checking Size of Input ('Classic Buffer - CVE-2026-5403
Heap-based Buffer Overflow in Wireshark - CVE-2026-5656
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-5405
Heap-based Buffer Overflow in Wireshark
Same vendor: Wireshark Foundation
- CVE-2026-6525
NULL Pointer Dereference in Wireshark - CVE-2026-5404
Buffer Copy without Checking Size of Input ('Classic Buffer - CVE-2026-5403
Heap-based Buffer Overflow in Wireshark - CVE-2026-5656
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-5405
Heap-based Buffer Overflow in Wireshark
Same weakness: CWE-1325
- CVE-2026-6535
Improperly Controlled Sequential Memory Allocation in Wiresh - CVE-2026-6533
Improperly Controlled Sequential Memory Allocation in Wiresh - CVE-2026-6869
Improperly Controlled Sequential Memory Allocation in Wiresh - CVE-2026-6867
Improperly Controlled Sequential Memory Allocation in Wiresh - CVE-2026-24819
An out-of-memory (OOM) issue in foxinmy/weixin4j
V. Comments for CVE-2026-3201
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