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HIGH

CVE-2026-103552

CVSS v3

7.3

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-10-02

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
2026-10-02
Last Modified
2026-10-02

Frequently asked questions

What is CVE-2026-103552?

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.

Is CVE-2026-103552 actively exploited?

Active exploitation of CVE-2026-103552 has not been confirmed. Its EPSS score was 0.2% on 2026-10-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-103552?

CVE-2026-103552 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

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