Security advisory

{
  "id": "deb0273d93148978ee7a8b125cd47b21f991ae5206066f0dc3e33dda8b106f36",
  "url": "https://osv.dev/vulnerability/CVE-2021-33622",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-33622",
    "summary": "Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect Check of a Function's Return Value.",
    "evidence": "osv:CVE-2021-33622",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-33622",
      "aliases": [
        "CVE-2021-33622"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apptainer/singularity",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f1c48e1de6f2596f4d318ed64e4c65a53771b5af"
                },
                {
                  "fixed": "9906d9f50ccf41a182240af717b51e11cb83d0f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.5.0"
                      },
                      {
                        "fixed": "3.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33622.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/sylabs/singularity",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f1c48e1de6f2596f4d318ed64e4c65a53771b5af"
                },
                {
                  "fixed": "9906d9f50ccf41a182240af717b51e11cb83d0f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.5.0"
                      },
                      {
                        "fixed": "3.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33622.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:51.112121700Z",
      "provider": "osv",
      "references": [
        "https://medium.com/sylabs",
        "https://support.sylabs.io/support/solutions/articles/42000087130-3-5-8-security-release-cve-2021-33622-"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:sylabs:singularitypro:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "sylabs:singularitypro",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "3.5-8"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-33622",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437412,
  "published_at": "2021-06-15T20:15:14.05+00:00"
}