Stack-buffer-overflow in LookupThousands

{
  "id": "4bad78190787402fbbdfbe630c65b600dc7b2a039b666c7d528c19c0528395ef",
  "url": "https://osv.dev/vulnerability/OSV-2022-519",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Stack-buffer-overflow in LookupThousands",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48470 ``` Crash type: Stack-buffer-overflow WRITE {*} Crash state: LookupThousands LookupNum3 TranslateNumber ```",
    "evidence": "osv:OSV-2022-519",
    "products": [
      {
        "name": {
          "value": "espeak-ng",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.51",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.52.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.51.1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2022-519",
      "aliases": [
        "OSV-2022-519"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/espeak-ng/espeak-ng",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7b9c99cec7b0c517049d39cbbee610c3a8407fa4"
                },
                {
                  "fixed": "3dcbe7ea3ea85a9212968d0f05172dde4259e770"
                },
                {
                  "introduced": "4125cef42596fadff957293557ce00bfa294cbdb"
                },
                {
                  "introduced": "b81aac83a614ec0fe8cb4c361fe287e1c99cd289"
                },
                {
                  "introduced": "eb512f66e1c535bbf578e564aedb3ee6f49022ee"
                },
                {
                  "fixed": "bdfae6f2624ac4f0ccb2f3e5c3163d4e84c3bc2d"
                }
              ]
            }
          ],
          "package": {
            "name": "espeak-ng",
            "purl": "pkg:generic/espeak-ng",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "1.51",
            "1.52.0",
            "1.51.1"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/espeak-ng/OSV-2022-519.yaml",
            "fixed_range": "b54bb99624a1896eec30cd3f546cd3b6a8e76fda:3dcbe7ea3ea85a9212968d0f05172dde4259e770"
          },
          "ecosystem_specific": {
            "severity": "HIGH"
          }
        }
      ],
      "modified": "2026-10-20T17:24:01.832824546Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48470"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389799,
  "published_at": "2022-06-29T00:00:24.107785+00:00"
}