containerd: Unpack DoS via repeated opaque whiteouts in github.com/containerd/containerd

{
  "id": "7cf1527d11163e0b031129e28a9241091811cce836f1026970fa2ba4111b688d",
  "url": "https://osv.dev/vulnerability/GO-2026-6796",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "containerd: Unpack DoS via repeated opaque whiteouts in github.com/containerd/containerd",
    "summary": "containerd: Unpack DoS via repeated opaque whiteouts in github.com/containerd/containerd",
    "evidence": "osv:GO-2026-6796",
    "products": [
      {
        "name": {
          "value": "github.com/containerd/containerd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.7.35",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/containerd/containerd/v2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.12",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.2.8",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.3.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2026-6796",
      "aliases": [
        "CVE-2026-95838",
        "GHSA-rp3h-jf77-q9p4",
        "GO-2026-6796"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.7.35"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/containerd/containerd",
            "purl": "pkg:golang/github.com/containerd/containerd",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6796.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.12"
                },
                {
                  "introduced": "2.2.0"
                },
                {
                  "fixed": "2.2.8"
                },
                {
                  "introduced": "2.3.0"
                },
                {
                  "fixed": "2.3.5"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/containerd/containerd/v2",
            "purl": "pkg:golang/github.com/containerd/containerd/v2",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6796.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-19T21:31:38.305997328Z",
      "provider": "osv",
      "references": [
        "https://github.com/containerd/containerd/security/advisories/GHSA-rp3h-jf77-q9p4",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-95838",
        "https://github.com/containerd/containerd/commit/e6ca378dcfa610d06589a3ac96aa992de866e4f0"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2026-6796",
        "review_status": "UNREVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-95838",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 376567,
  "published_at": "2026-10-19T21:08:35+00:00"
}