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High

DEBIAN-CVE-2026-103552

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-103552

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-103552

apache-directory-api

Source reference: /affected/0/package/name

Affected versions
2.1.2-1

Source reference: /affected/0/versions

2.1.2-2

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

apache-directory-api

Source reference: /affected/1/package/name

Affected versions
2.1.2-2

Source reference: /affected/1/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

apache-directory-api

Source reference: /affected/2/package/name

Affected versions
2.1.2-2

Source reference: /affected/2/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "apache-directory-api",
      "purl": "pkg:deb/debian/apache-directory-api?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "2.1.2-1",
      "2.1.2-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103552.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "apache-directory-api",
      "purl": "pkg:deb/debian/apache-directory-api?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "2.1.2-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103552.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "apache-directory-api",
      "purl": "pkg:deb/debian/apache-directory-api?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "2.1.2-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103552.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]
Related CVEs
CVE-2026-103552

Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Event
#72897 · Revision 1
Added to Heist Feed
Publisher date
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