Use-of-uninitialized-value in DosSlashToUnix

{
  "id": "356c1e47eb23400f4987d5ec87858a1153e84760e5b86ec7150290bfd2d68bf8",
  "url": "https://osv.dev/vulnerability/OSV-2018-6",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Use-of-uninitialized-value in DosSlashToUnix",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9307 ``` Crash type: Use-of-uninitialized-value Crash state: DosSlashToUnix ExtractUnixLink50 ExtractSymlink ```",
    "evidence": "osv:OSV-2018-6",
    "products": [
      {
        "name": {
          "value": "unrar",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.6.1.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.1.8.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.6.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.0.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.1.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "tag-6.1.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.0.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.0.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.0.9",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.10.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.10.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.11.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.11.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.12.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.12.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v7.13.0",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2018-6",
      "aliases": [
        "OSV-2018-6"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/aawc/unrar.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d2e5341ebf6f34c9bd5939c3ac812cb2cd983081"
                }
              ]
            }
          ],
          "package": {
            "name": "unrar",
            "purl": "pkg:generic/unrar",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "5.6.1.2",
            "5.6.1.3",
            "5.6.1.4",
            "5.6.1.5",
            "5.6.1.7",
            "5.6.1.8",
            "5.6.1.8.1",
            "5.6.8",
            "v5.7.1",
            "v5.7.3",
            "v5.7.4",
            "v6.0.3",
            "v6.1.2",
            "tag-6.1.7",
            "v7.0.7",
            "v7.0.8",
            "v7.0.9",
            "v7.10.2",
            "v7.10.3",
            "v7.11.1",
            "v7.11.0",
            "v7.12.1",
            "v7.12.0",
            "v7.13.0"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/unrar/OSV-2018-6.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM",
            "introduced_range": "2a079823c708a637bc36e888180ebb96fdfba526:1d8ea7923dae7c8f136912b6bdca95dcb52e80bc"
          }
        }
      ],
      "modified": "2026-10-19T14:16:29.718204Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9307"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374774,
  "published_at": "2021-01-13T00:00:02.571744+00:00"
}