osv-2026-824
Vulnerability from osv_ossfuzz
Published
2026-05-29 00:09
Modified
2026-05-29 00:09
Summary
Stack-buffer-overflow in coolkey_rsa_op
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=517058311

Crash type: Stack-buffer-overflow READ {*}
Crash state:
coolkey_rsa_op
coolkey_compute_crypt
sc_compute_signature
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "bc2c29c4b3f205c00ca132491d577adab964e569:4fa2c65b0950e72f687f23936e465850772791e8",
        "introduced_range": "d9cea5646972595c7658bd5c4a3cc5b32fe64c73:95ae550858fc0a808e4f6d6d3c6007cc9f15cc11"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "opensc",
        "purl": "pkg:generic/opensc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7d5d10ef37806d408cc8871026faec7f8c069991"
            },
            {
              "fixed": "b25b78845e8a5983d9c1bd96d34b3c89e00f07fd"
            },
            {
              "fixed": "4fa2c65b0950e72f687f23936e465850772791e8"
            }
          ],
          "repo": "https://github.com/OpenSC/OpenSC",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=517058311\n\n```\nCrash type: Stack-buffer-overflow READ {*}\nCrash state:\ncoolkey_rsa_op\ncoolkey_compute_crypt\nsc_compute_signature\n```\n",
  "id": "OSV-2026-824",
  "modified": "2026-05-29T00:09:49.737006Z",
  "published": "2026-05-29T00:09:49.736717Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=517058311"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Stack-buffer-overflow in coolkey_rsa_op"
}


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