Zlib

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    Products: 2
    Vulnerabilities: 18
    Known Exploited: 0
    4
    Critical Level Threats
    9
    High Level Threats
    3
    Medium Level Threats
    2
    Low Level Threats

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    Vulnerabilities

    CVE-2026-85091

    zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

    Last Modified: Sep 03, 2026
    Published: Sep 03, 2026

    CVE-2026-27171

    zlib: zlib: Denial of Service via infinite loop in CRC32 combine functions

    Last Modified: Apr 17, 2026
    Published: Feb 18, 2026

    CVE-2026-22184

    zlib <= 1.3.1.2 untgz Global Buffer Overflow in TGZfname()

    Last Modified: Apr 16, 2026
    Published: Jan 07, 2026

    CVE-2025-0725

    gzip integer overflow

    Last Modified: Jun 27, 2025
    Published: Feb 05, 2025

    CVE-2023-45853

    zlib: integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6

    Last Modified: Jul 14, 2026
    Published: Oct 14, 2023
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    Zlib Vulnerabilities & Security CVEs | CVE-DB