GHSA-3ww4-gg4f-jr7f

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    GHSA-3ww4-gg4f-jr7f

    Published: 5 Feb 2024Last Modified: 10 Sept 2026

    Summary: Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

    Details: A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

    References: https://nvd.nist.gov/vuln/detail/CVE-2023-50782, https://github.com/pyca/cryptography/issues/9785, https://access.redhat.com/security/cve/CVE-2023-50782, https://bugzilla.redhat.com/show_bug.cgi?id=2254432, https://github.com/pyca/cryptography, https://www.couchbase.com/alerts

    Affected packages

    Package

    Name: cryptography

    Purl: pkg:pypi/cryptography

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -42.0.0

    Affected versions

    0.1

    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