Apache Software FoundationCVE-2026-103552
Apache Directory LDAP API: stack buffer overflow
High7.3CVE-2026-103552 · Published Oct 2, 2026
Stack Overflow vulnerability in Apache Directory LDAP API. Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recommended to upgrade to version 1.2.9, which fixes the issue.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Apache Directory LDAP API Product | >= 1.2.0, < 1.2.9 | 1.2.9 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-121
More Apache Software Foundation advisories
All Apache Software Foundation| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: infinite loop | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: infinite loop | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: integer overflow | Critical9.2 | 0.25.0 |