CVE Feed

    Dashboard / CVE / CVE-2026-4176

    CVE-2026-4176

    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.

    Published:Mar 29, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 29, 2026
    EPSS Score:0.00025
    CVSS Score:9.8

    Affected Products

    Vendor
    Perl
    Product
    Perl
    Vendor
    Shay
    Product
    Perl

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-19487 (CVSS 5.3) — Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure…
    CVE-2026-13221 (CVSS 9.1) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently in…
    CVE-2026-57432 (CVSS 8.4) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer ove…
    CVE-2026-8376 (CVSS 9.8) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have a heap buffer …
    CVE-2025-11683 (CVSS 6.5) — YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and pote…
    CVE-2025-40909 (CVSS 5.9) — Perl threads have a working directory race condition where file operations may target unintended paths. If a …
    CVE-2024-56406 (CVSS 8.4) — A heap buffer overflow vulnerability was discovered in Perl. Release branches 5.34, 5.36, 5.38 and 5.40 are …
    CVE-2021-47155 (CVSS 9.1) — The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address …
    CVE-2023-47039 (CVSS 7.8) — A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path…
    CVE-2023-47038 (CVSS 7) — A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression i…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High