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    CVE-2023-27560

    Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.

    Published:Mar 3, 2023
    Last Modified:Mar 6, 2025
    EPS:Mar 3, 2023
    EPSS Score:0.00171
    CVSS Score:7.5

    Affected Products

    Vendor
    Phpseclib
    Product
    Phpseclib

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-55599 (CVSS 5.8) — phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an applica…
    CVE-2026-44167 (CVSS 7.5) — phpseclib is a PHP secure communications library. Prior to 1.0.29, 2.0.54, and 3.0.52, anyone loading untruste…
    CVE-2026-40194 (CVSS 3.7) — phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, p…
    CVE-2026-32935 (CVSS 8.2) — phpseclib is a PHP secure communications library. Projects using versions 0.1.1 through 1.0.26, 2.0.0 through …
    CVE-2023-52892 (CVSS 7.5) — In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative N…
    CVE-2024-27355 (CVSS 7.5) — An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When process…
    CVE-2024-27354 (CVSS 7.5) — An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker …
    CVE-2023-49316 (CVSS 7.5) — In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of servic…
    CVE-2021-30130 (CVSS 7.5) — phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.…

    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