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    CVE-2023-50981

    ModularSquareRoot in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (infinite loop) via crafted DER public-key data associated with squared odd numbers, such as the square of 268995137513890432434389773128616504853.

    Published:Dec 18, 2023
    Last Modified:May 7, 2025
    EPS:Dec 18, 2023
    EPSS Score:0.00074
    CVSS Score:7.5

    Affected Products

    Vendor
    Cryptopp
    Product
    Crypto\+\+

    Exploits

    https://github.com/weidai11/cryptopp/issues/1249https://github.com/weidai11/cryptopp/issues/1249

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2021-40530 (CVSS 5.9) — The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction betwe…
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    CVE-2017-9434 (CVSS 5.3) — Crypto++ (aka cryptopp) through 5.6.5 contains an out-of-bounds read vulnerability in zinflate.cpp in the Infl…
    CVE-2016-3995 (CVSS 7.5) — The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Cry…
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    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