GHSA-qcxq-75wr-5cm8: ldap3_proto has LDAP Filter stack exhaustion

May 6, 2026 (updated August 14, 2026)

LDAP queries are not validated for depth, which can cause the parser (both PEG and ASN) to exhaust the stack. This may cause a denial of service in applications that process queries.

References

github.com/advisories/GHSA-qcxq-75wr-5cm8
github.com/advisories/GHSA-r5fr-9gmv-jggh
github.com/kanidm/ldap3/security/advisories/GHSA-qcxq-75wr-5cm8

Code Behaviors & Features

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