Moderate severityNVD Advisory· Published Jun 18, 2022· Updated Aug 4, 2024
CVE-2021-46823
CVE-2021-46823
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
python-ldapPyPI | < 3.4.0 | 3.4.0 |
Affected products
2- python-ldap/python-ldapdescription
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-qfr5-wjpw-q4c4ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-46823ghsaADVISORY
- exchange.xforce.ibmcloud.com/vulnerabilities/221507ghsax_refsource_MISCWEB
- github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcmghsax_refsource_MISCWEB
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