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spin — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2021-46168

Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.

Products
spin
Affected versions
6.4.6+dfsg-2, 6.4.9+dfsg-1, 6.5.2+dfsg-1, 6.5.2+dfsg-2, 6.5.2+dfsg-2build1
Fixed versions
Not specified
CVEs
CVE-2021-46168
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 00:55 UTC · Revision 1

Source evidence

UBUNTU-CVE-2021-46168

core-osv · Original source

Published 14 Jan 2022, 21:15 UTC

Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.

osv:UBUNTU-CVE-2021-46168

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

spin

Fixed versions: Not specified

Complete source record
{
  "id": "222d9bb7abb6f7d5aec5788fe32e852b35cfeeac001a53eb8421aff29876e794",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-46168",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2021-46168",
    "summary": "Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.",
    "evidence": "osv:UBUNTU-CVE-2021-46168",
    "products": [
      {
        "name": {
          "value": "spin",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "6.4.6+dfsg-2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "spin",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "6.4.9+dfsg-1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "spin",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
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        "affected_versions": [
          {
            "value": "6.5.2+dfsg-1",
            "evidence": "/affected/2/versions"
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      },
      {
        "name": {
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        },
        "prerequisites": [],
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            "evidence": "/affected/3/versions"
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      },
      {
        "name": {
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          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
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        "affected_versions": [
          {
            "value": "6.5.2+dfsg-2",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
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          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
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        "affected_versions": [
          {
            "value": "6.5.2+dfsg-2build1",
            "evidence": "/affected/5/versions"
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        ]
      },
      {
        "name": {
          "value": "spin",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "6.5.2+dfsg-2",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "6.5.2+dfsg-2build1",
            "evidence": "/affected/6/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2021-46168",
      "aliases": [
        "UBUNTU-CVE-2021-46168"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
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            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=bionic",
            "ecosystem": "Ubuntu:18.04:LTS"
          },
          "versions": [
            "6.4.6+dfsg-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46168.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "spin",
                "binary_version": "6.4.6+dfsg-2"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "spin",
            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "6.4.9+dfsg-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46168.json"
          },
          "ecosystem_specific": {
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                "binary_version": "6.4.9+dfsg-1"
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        },
        {
          "ranges": [
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          ],
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            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "6.5.2+dfsg-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46168.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "spin",
                "binary_version": "6.5.2+dfsg-1"
              }
            ]
          }
        },
        {
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            {
              "type": "ECOSYSTEM",
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          ],
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            "name": "spin",
            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "6.5.2+dfsg-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46168.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "spin",
                "binary_version": "6.5.2+dfsg-1"
              }
            ]
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
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          ],
          "package": {
            "name": "spin",
            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "6.5.2+dfsg-2"
          ],
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          },
          "ecosystem_specific": {
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              {
                "binary_name": "spin",
                "binary_version": "6.5.2+dfsg-2"
              }
            ]
          }
        },
        {
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            {
              "type": "ECOSYSTEM",
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              ]
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          ],
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            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "6.5.2+dfsg-2build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46168.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "spin",
                "binary_version": "6.5.2+dfsg-2build1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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              ]
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          ],
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            "name": "spin",
            "purl": "pkg:deb/ubuntu/spin?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "6.5.2+dfsg-2",
            "6.5.2+dfsg-2build1"
          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "spin",
                "binary_version": "6.5.2+dfsg-2build1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:56:16.085602247Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-46168"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2021-46168",
        "https://github.com/nimble-code/Spin/issues/56",
        "https://www.cve.org/CVERecord?id=CVE-2021-46168"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-46168",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 355089,
  "published_at": "2022-01-14T21:15:00+00:00"
}