CVE catalog

CVE-2025-67873

capstone affected and fixed versions

[CVE catalog]

Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a user-provided skipdata callback can make cs_disasm/cs_disasm_iter memcpy more than 24 bytes into cs_insn.bytes, causing a heap buffer overflow in the disassembly path. Commit cbef767ab33b82166d263895f24084b75b316df3 fixes the issue.

Severity
Medium · CVSS 6.1CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.24% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "capstone",
      "status": "fixed",
      "release": "sid",
      "version": "5.0.9-1"
    },
    {
      "name": "capstone",
      "status": "fixed",
      "release": "forky",
      "version": "5.0.9-1"
    },
    {
      "name": "capstone",
      "status": "fixed",
      "release": "trixie",
      "version": "5.0.7-1~deb13u1"
    },
    {
      "name": "capstone",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "4.0.2-5"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1123740,
      "name": "capstone",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "5.0.7-1"
    },
    {
      "bug": 1123740,
      "name": "capstone",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "5.0.7-1"
    },
    {
      "bug": 1123740,
      "name": "capstone",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "5.0.7-1~deb13u1"
    },
    {
      "bug": 1123740,
      "name": "capstone",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "capstone",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2025-67873"
    },
    {
      "name": "capstone",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.2-6.1"
            }
          ]
        }
      ],
      "release": "linux micro 6.0",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.2-6.1",
      "provider_record_id": "SUSE-SU-2026:20868-1"
    },
    {
      "name": "capstone",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.2-slfo.1.1_2.1"
            }
          ]
        }
      ],
      "release": "linux micro 6.1",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.2-slfo.1.1_2.1",
      "provider_record_id": "SUSE-SU-2026:20054-1"
    },
    {
      "name": "capstone",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.2-150500.3.3.1"
            }
          ]
        }
      ],
      "release": "linux enterprise micro 5.5",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.2-150500.3.3.1",
      "provider_record_id": "SUSE-SU-2026:0060-1"
    },
    {
      "name": "capstone",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.2-150500.3.3.1"
            }
          ]
        }
      ],
      "release": "linux enterprise module for server applications 15 sp7",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.2-150500.3.3.1",
      "provider_record_id": "SUSE-SU-2026:0060-1"
    },
    {
      "name": "capstone",
      "distro": "opensuse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.2-150500.3.3.1"
            }
          ]
        }
      ],
      "release": "leap 15.6",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.2-150500.3.3.1",
      "provider_record_id": "SUSE-SU-2026:0060-1"
    }
  ]
}

[Debian bug #1123740]

Publisher notes

[bookworm] capstone: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [capstone-tool]Unknown

    Source package: [capstone]

    Details (2)

    • 4.0.2-5 · amd64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

    • 4.0.2-5 · arm64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

  • [libcapstone4]Unknown

    Source package: [capstone]

    Details (2)

    • 4.0.2-5 · amd64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

    • 4.0.2-5 · arm64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

  • [libcapstone-dev]Unknown

    Source package: [capstone]

    Details (2)

    • 4.0.2-5 · amd64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

    • 4.0.2-5 · arm64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

  • [python3-capstone]Unknown

    Source package: [capstone]

    Details (2)

    • 4.0.2-5 · amd64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

    • 4.0.2-5 · arm64 · bookworm

      Affected

      dsa · capstone · debian · bookworm

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]