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CVE-2022-41719— Panic in github.com/shamaton/msgpack/v2

Quick assessment

Affected
github.com/shamaton/msgpack/v2 github.com/shamaton/msgpack/v2
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.

Msgpack是开源的一种高效的二进制序列化格式。它允许您在多种语言（如 JSON）之间交换数据。但它更快更小。小整数被编码为一个字节，典型的短字符串除了字符串本身之外只需要一个额外的字节。 Msgpack 存在安全漏洞，该漏洞源于攻击者的恶意输入可能导致拒绝服务。

AI Predicted 5.3 Difficulty: Trivial EPSS 1.07% · P62

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-41719

Vulnerability Information
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Vulnerability Title
Panic in github.com/shamaton/msgpack/v2
Source: CVE Program / CVE List V5
Vulnerability Description
Unmarshal can panic on some inputs, possibly allowing for denial of service attacks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Msgpack 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Msgpack是开源的一种高效的二进制序列化格式。它允许您在多种语言（如 JSON）之间交换数据。但它更快更小。小整数被编码为一个字节，典型的短字符串除了字符串本身之外只需要一个额外的字节。 Msgpack 存在安全漏洞，该漏洞源于攻击者的恶意输入可能导致拒绝服务。
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
github.com/shamaton/msgpack/v2 github.com/shamaton/msgpack/v2 0 ~ 2.1.1 -

II. Public POCs for CVE-2022-41719

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III. Intelligence Information for CVE-2022-41719

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Patches & Fixes for CVE-2022-41719 (1)

Other References for CVE-2022-41719 (2)

V. Comments for CVE-2022-41719

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