CVE-2026-15166— Stack-based Buffer Overflow in Wireshark
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0< 4.6.7 | affected |
4.4.0< 4.4.17 | affected |
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I. Basic Information for CVE-2026-15166
Vulnerability Information
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Vulnerability Title
Stack-based Buffer Overflow in Wireshark
Source: CVE Program / CVE List V5
Vulnerability Description
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Wireshark 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wireshark是Wireshark组织开源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存在缓冲区错误漏洞，该漏洞源于IEEE 802.11协议分析器崩溃，可能导致拒绝服务。以下版本受到影响：4.6.0版本至4.6.6版本和4.4.0版本至4.4.16版本。
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 ~ 4.6.7 | - |
II. Public POCs for CVE-2026-15166
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-15166 (2)
Same Patch Batch · Wireshark Foundation · 2026-07-08 · 12 CVEs total
| CVE-2026-15167 | 7.5 HIGH | Stack-based Buffer Overflow in Wireshark |
| CVE-2026-15172 | 5.5 MEDIUM | Unchecked Input for Loop Condition in Wireshark |
| CVE-2026-15174 | 5.5 MEDIUM | Heap-based Buffer Overflow in Wireshark |
| CVE-2026-15163 | 5.5 MEDIUM | Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark |
| CVE-2026-15164 | 5.5 MEDIUM | Heap-based Buffer Overflow in ciscodump |
| CVE-2026-15169 | 5.5 MEDIUM | Heap-based Buffer Overflow in Wireshark |
| CVE-2026-15171 | 5.5 MEDIUM | NULL Pointer Dereference in Wireshark |
| CVE-2026-15165 | 5.5 MEDIUM | Heap-based Buffer Overflow in Wireshark |
| CVE-2026-15170 | 5.5 MEDIUM | Heap-based Buffer Overflow in Wireshark |
| CVE-2026-15173 | 4.7 MEDIUM | Heap-based Buffer Overflow in Wireshark |
| CVE-2026-15168 | 2.5 LOW | Use of Uninitialized Variable in Wireshark |
IV. Related Vulnerabilities
Same weakness: CWE-121
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Notepad++: Stack Buffer Overflow in expandNppEnvironmentStrs - CVE-2026-73522
COVESA Open1722 0.9.2 Stack Buffer Overflow via avtp_to_can( - CVE-2026-71979
INDI indiserver 2.2.4.2 Stack Buffer Overflow via XML Tag Pa - CVE-2026-74843
Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingor - CVE-2026-19959
Edimax EW-7478APC formWanTcpipSetup stack-based overflow
V. Comments for CVE-2026-15166
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