wasmtime — security advisory

{
  "id": "7464d09e888871efe39b75b246342500d3d72afd3e13c5f25bee20b96b305d56",
  "url": "https://osv.dev/vulnerability/CGA-9rf3-xfrm-66xf",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-9rf3-xfrm-66xf",
    "summary": "CGA-9rf3-xfrm-66xf",
    "evidence": "osv:CGA-9rf3-xfrm-66xf",
    "products": [
      {
        "name": {
          "value": "wasmtime",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "50.0.0-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "wasmtime",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "50.0.0-r1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-9rf3-xfrm-66xf",
      "aliases": [
        "CGA-9rf3-xfrm-66xf"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "50.0.0-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "wasmtime",
            "purl": "pkg:apk/chainguard/wasmtime?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-9rf3-xfrm-66xf.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "tokio",
                "component_purl": "pkg:cargo/tokio@1.54.0",
                "component_type": "rust-crate",
                "component_version": "1.54.0",
                "component_location": "/usr/bin/wasmtime",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-25T19:35:53Z"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "50.0.0-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "wasmtime",
            "purl": "pkg:apk/wolfi/wasmtime?arch=aarch64",
            "ecosystem": "Wolfi"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-9rf3-xfrm-66xf.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "tokio",
                "component_purl": "pkg:cargo/tokio@1.54.0",
                "component_type": "rust-crate",
                "component_version": "1.54.0",
                "component_location": "/usr/bin/wasmtime",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-25T19:35:53Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-26T01:45:20.302297318Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-115567",
        "GHSA-5wjr-9356-4wc8"
      ],
      "references": [
        "https://github.com/tokio-rs/tokio/releases/tag/tokio-1.54.1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115567.json",
        "https://github.com/tokio-rs/tokio/security/advisories/GHSA-5wjr-9356-4wc8",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-115567",
        "https://github.com/tokio-rs/tokio/commit/2b4eba7833864c04ecd2f3e5f4a97ff4f6fa28d0",
        "https://github.com/tokio-rs/tokio/commit/5ed619bbaba87357ee5103d71b75e7c84cad99c9",
        "https://github.com/tokio-rs/tokio/pull/8458",
        "https://github.com/tokio-rs/tokio/pull/8692"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-115567",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 446511,
  "published_at": "2026-10-25T12:20:01+00:00"
}