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CVE-2026-95394— Unchecked Input for Loop Condition in Wireshark

Quick assessment

Affected
Wireshark Foundation Wireshark
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Network Monitor 文件解析器在 4.6.0 至 4.6.8 版本以及 4.4.0 至 4.4.18 版本中存在大循环漏洞，可能导致拒绝服务（DoS）。

CVSS 4.7 · Medium
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I. Basic Information for CVE-2026-95394

Vulnerability Information
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Vulnerability Title
Unchecked Input for Loop Condition in Wireshark
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Network Monitor file parser large loop in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
循环条件输入未经检查
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wireshark Foundation Wireshark 4.6.0 ~ 4.6.9 -

II. Public POCs for CVE-2026-95394

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III. Intelligence Information for CVE-2026-95394

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Other References for CVE-2026-95394 (2)

Same Patch Batch · Wireshark Foundation · 2026-09-29 · 19 CVEs total

CVE-2026-95389 8.1 HIGH Heap-based Buffer Overflow in Wireshark
CVE-2026-95387 8.1 HIGH Heap-based Buffer Overflow in Wireshark
CVE-2026-96419 5.5 MEDIUM Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshar
CVE-2026-96418 5.5 MEDIUM Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
CVE-2026-96415 5.5 MEDIUM Stack-based Buffer Overflow in Wireshark
CVE-2026-96416 5.5 MEDIUM Heap-based Buffer Overflow in Wireshark
CVE-2026-96417 5.5 MEDIUM Heap-based Buffer Overflow in Wireshark
CVE-2026-96421 5.5 MEDIUM Improperly Controlled Sequential Memory Allocation in Wireshark
CVE-2026-96423 5.5 MEDIUM Heap-based Buffer Overflow in Wireshark
CVE-2026-96422 5.5 MEDIUM Reachable Assertion in Wireshark
CVE-2026-95392 5.5 MEDIUM Buffer Over-read in Wireshark
CVE-2026-95395 5.5 MEDIUM Missing Release of Memory after Effective Lifetime in Wireshark
CVE-2026-95386 5.5 MEDIUM Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
CVE-2026-95391 5.5 MEDIUM Use After Free in Wireshark
CVE-2026-95390 5.5 MEDIUM NULL Pointer Dereference in Wireshark
CVE-2026-95388 5.5 MEDIUM Heap-based Buffer Overflow in Wireshark
CVE-2026-95393 4.7 MEDIUM Heap-based Buffer Overflow in Wireshark
CVE-2026-96420 4.7 MEDIUM Buffer Over-read in Wireshark

IV. Related Vulnerabilities

Same product: Wireshark
Same vendor: Wireshark Foundation
Same weakness: CWE-606

V. Comments for CVE-2026-95394

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