Global-buffer-overflow in llvm_ks::StringRef::find_last_not_of

{
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  "url": "https://osv.dev/vulnerability/OSV-2021-365",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Global-buffer-overflow in llvm_ks::StringRef::find_last_not_of",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30790 ``` Crash type: Global-buffer-overflow READ 1 Crash state: llvm_ks::StringRef::find_last_not_of llvm_ks::StringRef::rtrim llvm_ks::StringRef::trim ```",
    "evidence": "osv:OSV-2021-365",
    "products": [
      {
        "name": {
          "value": "keystone",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "0.9.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.9.2-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.9.2-rc1.post1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.9.2-rc1.post2",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2021-365",
      "aliases": [
        "OSV-2021-365"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/keystone-engine/keystone.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "105761ffe7176a60b4ff1b1c165ad937110ae63e"
                }
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          ],
          "package": {
            "name": "keystone",
            "purl": "pkg:generic/keystone",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "0.9.2",
            "0.9.2-rc1",
            "0.9.2-rc1.post1",
            "0.9.2-rc1.post2"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2021-365.yaml"
          }
        }
      ],
      "modified": "2026-10-19T14:16:08.448605Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30790"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374770,
  "published_at": "2021-02-11T00:00:55.402078+00:00"
}