CVE-2021-46823: Medium severity centos python-ldap vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-46823?
CVE-2021-46823 is categorized as a denial of service vulnerability that can impact the availability of affected systems.
How do I fix CVE-2021-46823?
To fix CVE-2021-46823, upgrade python-ldap to version 3.4.0 or later.
What versions of python-ldap are affected by CVE-2021-46823?
CVE-2021-46823 affects python-ldap versions prior to 3.4.0.
Who is impacted by CVE-2021-46823?
Users of python-ldap versions before 3.4.0 who rely on untrusted schema definitions are impacted by CVE-2021-46823.
What type of attack can exploit CVE-2021-46823?
CVE-2021-46823 can be exploited through a crafted regular expression input, leading to a regular expression denial of service (ReDoS).