Vulnerability details
CVE-2026-103552
Apache Software Foundation Apache Directory LDAP API
Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder
CVSS 3.1
7.3High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.3High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Directory LDAP API | 1.2.0 ≤ v < 1.2.9 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-10-02
- Last updated
- 2026-10-03
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.32%
Probability of exploitation in 30 days
25.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-121Stack-based buffer overflow