Unrated

DEBIAN-CVE-2026-3994

Type: advisorySource: OSV1 source record

A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X86_64::initialize_sections of the file src/input-files.cc of the component Object File Handler. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Announced 12 Mar 2026Source revision 1

Original source ↗

DEBIAN-CVE-2026-3994

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-2026-3994

mold

Source reference: /affected/0/package/name

Affected versions: 1.10.1+dfsg-1
Source reference: /affected/0/versions
1.11.0+dfsg-1
Source reference: /affected/0/versions
1.11.0+dfsg-1~exp1
Source reference: /affected/0/versions
2.1.0+dfsg-1
Source reference: /affected/0/versions
2.2.0+dfsg-1
Source reference: /affected/0/versions
2.3.1+dfsg-3
Source reference: /affected/0/versions
2.3.1+dfsg-4
Source reference: /affected/0/versions
2.3.2+dfsg-1
Source reference: /affected/0/versions
2.3.3+dfsg-1
Source reference: /affected/0/versions
2.30.0+dfsg-1
Source reference: /affected/0/versions
2.31.0+dfsg-1
Source reference: /affected/0/versions
2.32.0+dfsg-1
Source reference: /affected/0/versions
2.32.1+dfsg-1
Source reference: /affected/0/versions
2.32.1+dfsg-2
Source reference: /affected/0/versions
2.33.0+dfsg-1
Source reference: /affected/0/versions
2.34.0+dfsg-1
Source reference: /affected/0/versions
2.34.1+dfsg-1
Source reference: /affected/0/versions
2.35.0+dfsg-1
Source reference: /affected/0/versions
2.35.1+dfsg-1
Source reference: /affected/0/versions
2.36.0+dfsg-1
Source reference: /affected/0/versions
2.37.1+dfsg-1
Source reference: /affected/0/versions
2.4.0+dfsg-1
Source reference: /affected/0/versions
2.4.1+dfsg-1
Source reference: /affected/0/versions
2.40.4+dfsg-1
Source reference: /affected/0/versions
2.40.4+dfsg-2
Source reference: /affected/0/versions
2.40.4+dfsg-2.1
Source reference: /affected/0/versions
2.41.0+dfsg-1
Source reference: /affected/0/versions
2.41.0+dfsg-1.1
Source reference: /affected/0/versions
2.42.0+dfsg-1
Source reference: /affected/0/versions
2.42.1+dfsg-1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mold

Source reference: /affected/1/package/name

Affected versions: 2.37.1+dfsg-1
Source reference: /affected/1/versions
2.40.4+dfsg-1
Source reference: /affected/1/versions
2.40.4+dfsg-2
Source reference: /affected/1/versions
2.40.4+dfsg-2.1
Source reference: /affected/1/versions
2.41.0+dfsg-1
Source reference: /affected/1/versions
2.41.0+dfsg-1.1
Source reference: /affected/1/versions
2.42.0+dfsg-1
Source reference: /affected/1/versions
2.42.1+dfsg-1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mold

Source reference: /affected/2/package/name

Affected versions: 2.37.1+dfsg-1
Source reference: /affected/2/versions
2.40.4+dfsg-1
Source reference: /affected/2/versions
2.40.4+dfsg-2
Source reference: /affected/2/versions
2.40.4+dfsg-2.1
Source reference: /affected/2/versions
2.41.0+dfsg-1
Source reference: /affected/2/versions
2.41.0+dfsg-1.1
Source reference: /affected/2/versions
2.42.0+dfsg-1
Source reference: /affected/2/versions
2.42.1+dfsg-1
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": "mold",
      "purl": "pkg:deb/debian/mold?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.10.1+dfsg-1",
      "1.11.0+dfsg-1",
      "1.11.0+dfsg-1~exp1",
      "2.1.0+dfsg-1",
      "2.2.0+dfsg-1",
      "2.3.1+dfsg-3",
      "2.3.1+dfsg-4",
      "2.3.2+dfsg-1",
      "2.3.3+dfsg-1",
      "2.30.0+dfsg-1",
      "2.31.0+dfsg-1",
      "2.32.0+dfsg-1",
      "2.32.1+dfsg-1",
      "2.32.1+dfsg-2",
      "2.33.0+dfsg-1",
      "2.34.0+dfsg-1",
      "2.34.1+dfsg-1",
      "2.35.0+dfsg-1",
      "2.35.1+dfsg-1",
      "2.36.0+dfsg-1",
      "2.37.1+dfsg-1",
      "2.4.0+dfsg-1",
      "2.4.1+dfsg-1",
      "2.40.4+dfsg-1",
      "2.40.4+dfsg-2",
      "2.40.4+dfsg-2.1",
      "2.41.0+dfsg-1",
      "2.41.0+dfsg-1.1",
      "2.42.0+dfsg-1",
      "2.42.1+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3994.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "mold",
      "purl": "pkg:deb/debian/mold?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "2.37.1+dfsg-1",
      "2.40.4+dfsg-1",
      "2.40.4+dfsg-2",
      "2.40.4+dfsg-2.1",
      "2.41.0+dfsg-1",
      "2.41.0+dfsg-1.1",
      "2.42.0+dfsg-1",
      "2.42.1+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3994.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "mold",
      "purl": "pkg:deb/debian/mold?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "2.37.1+dfsg-1",
      "2.40.4+dfsg-1",
      "2.40.4+dfsg-2",
      "2.40.4+dfsg-2.1",
      "2.41.0+dfsg-1",
      "2.41.0+dfsg-1.1",
      "2.42.0+dfsg-1",
      "2.42.1+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3994.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #57618 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 17:21:39 GMT
Publisher date: Thu, 12 Mar 2026 06:16:32 GMT

Read the original announcement