CVE-2021-46823

    Dashboard / Vulnerabilities / CVE-2021-46823

    CVE-2021-46823

    Published: 18 Jun 2022Last Modified: 9 Jul 2026

    Summary:

    Details: python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.

    References: https://exchange.xforce.ibmcloud.com/vulnerabilities/221507, https://github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcm

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -47975ee75c84748abfb8bb7456d5cc0a34cfce41

    Affected versions

    python-ldap-3.3.0

    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
    CVE-2021-46823 | CVE-DB