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I. Basic Information for CVE-2026-4176
Vulnerability Information

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Vulnerability Title
Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib
Source: NVD (National Vulnerability Database)
Vulnerability Description
Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib. Compress::Raw::Zlib is included in the Perl package as a dual-life core module, and is vulnerable to CVE-2026-3381 due to a vendored version of zlib which has several vulnerabilities, including CVE-2026-27171. The bundled Compress::Raw::Zlib was updated to version 2.221 in Perl blead commit c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1395
Source: NVD (National Vulnerability Database)
Vulnerability Title
Perl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Perl是Perl社区的一款通用、解释型、动态的跨平台编程语言。 Perl 5.9.4至5.40.4-RC1之前版本、5.41.0至5.42.2-RC1之前版本和5.43.0至5.43.9之前版本存在安全漏洞,该漏洞源于Compress::Raw::Zlib模块存在多个漏洞。
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
VendorProductAffected VersionsCPESubscribe
SHAYperl 5.9.4 ~ 5.40.4-RC1 -
II. Public POCs for CVE-2026-4176
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III. Intelligence Information for CVE-2026-4176
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IV. Related Vulnerabilities
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