Unrated

DEBIAN-CVE-2026-88839

Type: advisorySource: OSV1 source record

BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.

Announced 23 Sept 2026Source revision 1

Original source ↗

DEBIAN-CVE-2026-88839

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-2026-88839

busybox

Source reference: /affected/0/package/name

Affected versions: 1:1.35.0-4
Source reference: /affected/0/versions
1:1.35.0-4+deb12u1
Source reference: /affected/0/versions
1:1.36.0-1~exp1
Source reference: /affected/0/versions
1:1.36.1-1
Source reference: /affected/0/versions
1:1.36.1-2
Source reference: /affected/0/versions
1:1.36.1-3
Source reference: /affected/0/versions
1:1.36.1-3.1
Source reference: /affected/0/versions
1:1.36.1-4
Source reference: /affected/0/versions
1:1.36.1-5
Source reference: /affected/0/versions
1:1.36.1-6
Source reference: /affected/0/versions
1:1.36.1-6~exp.1
Source reference: /affected/0/versions
1:1.36.1-7
Source reference: /affected/0/versions
1:1.36.1-8
Source reference: /affected/0/versions
1:1.36.1-9
Source reference: /affected/0/versions
1:1.37.0-1
Source reference: /affected/0/versions
1:1.37.0-10
Source reference: /affected/0/versions
1:1.37.0-10.1
Source reference: /affected/0/versions
1:1.37.0-2
Source reference: /affected/0/versions
1:1.37.0-3
Source reference: /affected/0/versions
1:1.37.0-4
Source reference: /affected/0/versions
1:1.37.0-5
Source reference: /affected/0/versions
1:1.37.0-6
Source reference: /affected/0/versions
1:1.37.0-7
Source reference: /affected/0/versions
1:1.37.0-8
Source reference: /affected/0/versions
1:1.37.0-9
Source reference: /affected/0/versions
1:1.38.0-1
Source reference: /affected/0/versions
1:1.38.0-2
Source reference: /affected/0/versions
1:1.38.0-3
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

busybox

Source reference: /affected/1/package/name

Affected versions: 1:1.37.0-10
Source reference: /affected/1/versions
1:1.37.0-10.1
Source reference: /affected/1/versions
1:1.37.0-6
Source reference: /affected/1/versions
1:1.37.0-7
Source reference: /affected/1/versions
1:1.37.0-8
Source reference: /affected/1/versions
1:1.37.0-9
Source reference: /affected/1/versions
1:1.38.0-1
Source reference: /affected/1/versions
1:1.38.0-2
Source reference: /affected/1/versions
1:1.38.0-3
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

busybox

Source reference: /affected/2/package/name

Affected versions: 1:1.37.0-10
Source reference: /affected/2/versions
1:1.37.0-10.1
Source reference: /affected/2/versions
1:1.37.0-6
Source reference: /affected/2/versions
1:1.37.0-7
Source reference: /affected/2/versions
1:1.37.0-8
Source reference: /affected/2/versions
1:1.37.0-9
Source reference: /affected/2/versions
1:1.38.0-1
Source reference: /affected/2/versions
1:1.38.0-2
Source reference: /affected/2/versions
1:1.38.0-3
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": "busybox",
      "purl": "pkg:deb/debian/busybox?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1:1.35.0-4",
      "1:1.35.0-4+deb12u1",
      "1:1.36.0-1~exp1",
      "1:1.36.1-1",
      "1:1.36.1-2",
      "1:1.36.1-3",
      "1:1.36.1-3.1",
      "1:1.36.1-4",
      "1:1.36.1-5",
      "1:1.36.1-6",
      "1:1.36.1-6~exp.1",
      "1:1.36.1-7",
      "1:1.36.1-8",
      "1:1.36.1-9",
      "1:1.37.0-1",
      "1:1.37.0-10",
      "1:1.37.0-10.1",
      "1:1.37.0-2",
      "1:1.37.0-3",
      "1:1.37.0-4",
      "1:1.37.0-5",
      "1:1.37.0-6",
      "1:1.37.0-7",
      "1:1.37.0-8",
      "1:1.37.0-9",
      "1:1.38.0-1",
      "1:1.38.0-2",
      "1:1.38.0-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88839.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "busybox",
      "purl": "pkg:deb/debian/busybox?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1:1.37.0-10",
      "1:1.37.0-10.1",
      "1:1.37.0-6",
      "1:1.37.0-7",
      "1:1.37.0-8",
      "1:1.37.0-9",
      "1:1.38.0-1",
      "1:1.38.0-2",
      "1:1.38.0-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88839.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "busybox",
      "purl": "pkg:deb/debian/busybox?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1:1.37.0-10",
      "1:1.37.0-10.1",
      "1:1.37.0-6",
      "1:1.37.0-7",
      "1:1.37.0-8",
      "1:1.37.0-9",
      "1:1.38.0-1",
      "1:1.38.0-2",
      "1:1.38.0-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88839.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #18735 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 01:56:51 GMT
Publisher date: Wed, 23 Sep 2026 18:17:10 GMT

Read the original announcement