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GHSA-qfr5-wjpw-q4c4

Denial of Service in python-ldap

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-46823

Packages

EcosystemPackageAffectedFixed in
PyPI python-ldap < 3.4.0 3.4.0

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.