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CVE-2021-3881— Out-of-bounds Read in bfabiszewski/libmobi

Quick assessment

Affected
bfabiszewski bfabiszewski/libmobi
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.

Libmobi是一个C库。用于处理 Mobipocket/Kindle (MOBI) 电子书格式文档。 libmobi 存在安全漏洞，该漏洞允许越界读取。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.16% · P66

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2021-3881

Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in bfabiszewski/libmobi
Source: CVE Program / CVE List V5
Vulnerability Description
libmobi is vulnerable to Out-of-bounds Read
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Libmobi 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libmobi是一个C库。用于处理 Mobipocket/Kindle (MOBI) 电子书格式文档。 libmobi 存在安全漏洞，该漏洞允许越界读取。
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
bfabiszewski bfabiszewski/libmobi unspecified ~ 0.7 -

II. Public POCs for CVE-2021-3881

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3881

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Patches & Fixes for CVE-2021-3881 (1)

Vendor Advisories for CVE-2021-3881 (1)

IV. Related Vulnerabilities

Same product: bfabiszewski/libmobi
Same vendor: bfabiszewski
Same weakness: CWE-125

V. Comments for CVE-2021-3881

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