CVE-2026-103552CWE-121

CVE-2026-103552

High · published October 2, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
26.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00342 · 26.5th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-10-02T14:17Z
References (2)
https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7 · [email protected]http://www.openwall.com/lists/oss-security/2026/10/02/4 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 02 OCT 09:48Z
    Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder
    cvelistv5