| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-ldap (PTS) | buster | 3.1.0-2 | vulnerable |
| bullseye | 3.2.0-4 | vulnerable |
| bookworm | 3.4.3-2 | fixed |
| sid, trixie | 3.4.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| python-ldap | source | (unstable) | 3.4.0-1 | | | |
Notes
[bullseye] - python-ldap <no-dsa> (Minor issue)
[buster] - python-ldap <no-dsa> (Minor issue)
[stretch] - python-ldap <no-dsa> (Minor issue)
https://github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcm