data/osv/GO-2026-5841.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-5841",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "GHSA-259r-337f-4rfw"
  ],
  "summary": "OOB read in github.com/klauspost/compress/s2",
  "details": "Providing a specially crafted dictionary to s2.NewDict and using it to encode data can make the encoder read out of bounds.",
  "affected": [
    {
      "package": {
        "name": "github.com/klauspost/compress",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "1.16.0"
            },
            {
              "fixed": "1.18.7"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/klauspost/compress/s2",
            "symbols": [
              "NewDict"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/klauspost/compress/security/advisories/GHSA-259r-337f-4rfw"
    },
    {
      "type": "FIX",
      "url": "https://github.com/klauspost/compress/commit/8668e357e776d5152ed62f33c17f21b8690664fa"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-5841",
    "review_status": "REVIEWED"
  }
}