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DEBIAN-CVE-2026-24308

Type: advisorySource: OSV1 source record

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-24308

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-2026-24308

zookeeper

Source reference: /affected/0/package/name

Affected versions
3.8.0-11

Source reference: /affected/0/versions

3.8.0-11+deb12u1

Source reference: /affected/0/versions

3.8.0-11+deb12u2

Source reference: /affected/0/versions

3.9.1-1

Source reference: /affected/0/versions

3.9.2-1

Source reference: /affected/0/versions

3.9.2-2

Source reference: /affected/0/versions

3.9.3-1

Source reference: /affected/0/versions

3.9.3-2

Source reference: /affected/0/versions

3.9.4-1

Source reference: /affected/0/versions

3.9.4-2

Source reference: /affected/0/versions

3.9.5-1

Source reference: /affected/0/versions

3.9.5-2

Source reference: /affected/0/versions

3.9.6-1

Source reference: /affected/0/versions

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

zookeeper

Source reference: /affected/1/package/name

Affected versions
3.9.3-1

Source reference: /affected/1/versions

3.9.3-1+deb13u1

Source reference: /affected/1/versions

3.9.3-2

Source reference: /affected/1/versions

3.9.4-1

Source reference: /affected/1/versions

3.9.4-2

Source reference: /affected/1/versions

3.9.5-1

Source reference: /affected/1/versions

3.9.5-2

Source reference: /affected/1/versions

3.9.6-1

Source reference: /affected/1/versions

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

zookeeper

Source reference: /affected/2/package/name

Affected versions
3.9.3-1

Source reference: /affected/2/versions

3.9.3-2

Source reference: /affected/2/versions

3.9.4-1

Source reference: /affected/2/versions

3.9.4-2

Source reference: /affected/2/versions

Fixed versions
3.9.5-1

Source reference: /affected/2/ranges

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": "zookeeper",
      "purl": "pkg:deb/debian/zookeeper?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "3.8.0-11",
      "3.8.0-11+deb12u1",
      "3.8.0-11+deb12u2",
      "3.9.1-1",
      "3.9.2-1",
      "3.9.2-2",
      "3.9.3-1",
      "3.9.3-2",
      "3.9.4-1",
      "3.9.4-2",
      "3.9.5-1",
      "3.9.5-2",
      "3.9.6-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-24308.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "zookeeper",
      "purl": "pkg:deb/debian/zookeeper?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.9.3-1",
      "3.9.3-1+deb13u1",
      "3.9.3-2",
      "3.9.4-1",
      "3.9.4-2",
      "3.9.5-1",
      "3.9.5-2",
      "3.9.6-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-24308.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.9.5-1"
          }
        ]
      }
    ],
    "package": {
      "name": "zookeeper",
      "purl": "pkg:deb/debian/zookeeper?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.9.3-1",
      "3.9.3-2",
      "3.9.4-1",
      "3.9.4-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-24308.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#57443 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement