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CVE-2023-42444— phonenumber panics on parsing crafted RF3966 inputs

Quick assessment

Affected
whisperfish rust-phonenumber
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phonenumber是Whisperfish开源的一个用于解析、格式化和验证国际电话号码的库。 phonenumber 0.3.3之前版本存在安全漏洞，该漏洞源于phone numbers字符串上的紧急保护存在越界访问，phonenumber解析代码时可能会发生紧急情况。 在典型的部署中rust-phonenumber，这可能是通过通过网络提供恶意制作的电话号码（特别是字符串）来触发的.;phone-context=。。

CVSS 8.6 · High EPSS 0.87% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-42444

Vulnerability Information
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Vulnerability Title
phonenumber panics on parsing crafted RF3966 inputs
Source: CVE Program / CVE List V5
Vulnerability Description
phonenumber is a library for parsing, formatting and validating international phone numbers. Prior to versions `0.3.3+8.13.9` and `0.2.5+8.11.3`, the phonenumber parsing code may panic due to a panic-guarded out-of-bounds access on the phonenumber string. In a typical deployment of `rust-phonenumber`, this may get triggered by feeding a maliciously crafted phonenumber over the network, specifically the string `.;phone-context=`. Versions `0.3.3+8.13.9` and `0.2.5+8.11.3` contain a patch for this issue. There are no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
phonenumber 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phonenumber是Whisperfish开源的一个用于解析、格式化和验证国际电话号码的库。 phonenumber 0.3.3之前版本存在安全漏洞，该漏洞源于phone numbers字符串上的紧急保护存在越界访问，phonenumber解析代码时可能会发生紧急情况。 在典型的部署中rust-phonenumber，这可能是通过通过网络提供恶意制作的电话号码（特别是字符串）来触发的.;phone-context=。。
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
whisperfish rust-phonenumber < 0.2.5+8.11.3 -

II. Public POCs for CVE-2023-42444

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6256 chars
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III. Intelligence Information for CVE-2023-42444

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Patches & Fixes for CVE-2023-42444 (2)

Vendor Advisories for CVE-2023-42444 (1)

IV. Related Vulnerabilities

Same product: rust-phonenumber
Same vendor: whisperfish
Same weakness: CWE-248

V. Comments for CVE-2023-42444

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