osv-2026-589
Vulnerability from osv_ossfuzz
Published
2026-04-19 00:09
Modified
2026-04-19 00:09
Summary
Heap-double-free in coap_new_oscore_conf
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=503812134

Crash type: Heap-double-free
Crash state:
coap_new_oscore_conf
oscore_conf_parse_target.c
coap_new_oscore_conf
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "3f4d08f964248363bbf192a7af1e59303429e561:783b5317caf30397df392228d67969af579fa03b",
        "introduced_range": "e766f053c2cf90aaf181f0f458e77905d462413c:24d146d55327507b2107941a134795c9a7be13ef"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libcoap",
        "purl": "pkg:generic/libcoap"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "77929465d3fd497574adf5941f5558e8c2eb7a06"
            },
            {
              "fixed": "e4297c9c890ddb2480bf598b4207169c0271ae30"
            },
            {
              "fixed": "783b5317caf30397df392228d67969af579fa03b"
            }
          ],
          "repo": "https://github.com/obgm/libcoap.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=503812134\n\n```\nCrash type: Heap-double-free\nCrash state:\ncoap_new_oscore_conf\noscore_conf_parse_target.c\ncoap_new_oscore_conf\n```\n",
  "id": "OSV-2026-589",
  "modified": "2026-04-19T00:09:04.853106Z",
  "published": "2026-04-19T00:09:04.852781Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=503812134"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-double-free in coap_new_oscore_conf"
}


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