osv-2022-834
Vulnerability from osv_ossfuzz
Published
2022-09-04 00:00
Modified
2025-12-24 14:22
Summary
Heap-use-after-free in mk_event_timeout_destroy
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924

Crash type: Heap-use-after-free WRITE 8
Crash state:
mk_event_timeout_destroy
flb_sched_destroy
flb_config_exit
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "fluent-bit",
        "purl": "pkg:generic/fluent-bit"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0c5d8da6bbf32d4712d4dd718155ac2301b1bb17"
            },
            {
              "introduced": "73bc3ec78451aa41757bf7a12366228b79527544"
            }
          ],
          "repo": "https://github.com/fluent/fluent-bit/",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.0.0",
        "v2.0.0-rc1",
        "v2.0.0-rc2",
        "v2.0.0-rc3",
        "v2.0.0pre",
        "v2.0.1",
        "v2.0.2",
        "v2.0.3",
        "v2.0.4",
        "v2.0.5",
        "v2.0.6",
        "v2.0.7",
        "vv.2.0.7",
        "v2.0.8",
        "tiger-2.0.9-dev-20230104",
        "v2.0.9",
        "v2.0.10",
        "v2.0.11",
        "v2.1.0-rc1",
        "v2.1.0-rc2",
        "v2.1.0",
        "v2.1.1",
        "v2.1.2",
        "v2.0.12",
        "v2.1.3",
        "v2.0.13",
        "v2.0.14",
        "v2.1.4",
        "v2.1.5",
        "v2.1.5-windows-artifact-fix",
        "v2.1.6",
        "v2.1.7",
        "v2.1.8",
        "v2.1.9",
        "v2.1.10",
        "v2.2.0",
        "v2.2.1",
        "v2.2.2",
        "v3.0.0",
        "v3.0.1",
        "v3.0.2",
        "v3.0.3",
        "v3.0.4",
        "v2.2.3",
        "v3.0.5",
        "v3.0.6",
        "v3.0.7",
        "v3.1.0",
        "v3.1.1",
        "v3.1.2",
        "v3.1.3",
        "v3.1.4",
        "v3.1.5",
        "v3.1.6",
        "v3.1.7",
        "v3.1.8",
        "v3.1.9",
        "v3.1.10",
        "v3.2.0",
        "v3.2.1",
        "v3.2.2",
        "v3.2.3",
        "v3.2.4",
        "v3.2.5",
        "v3.2.6",
        "v3.2.7",
        "v3.2.8",
        "v3.2.9",
        "v3.2.10",
        "v4.0.0",
        "v4.0.1",
        "v4.0.2",
        "v4.0.3",
        "v4.0.4",
        "v4.0.5",
        "v4.0.6",
        "v4.0.7",
        "v4.0.8",
        "v4.0.9",
        "v4.0.10",
        "v4.0.11",
        "v4.1.0",
        "v4.0.12",
        "v4.1.1",
        "v4.0.13",
        "v4.2.0",
        "v4.2.1",
        "v4.2.2"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924\n\n```\nCrash type: Heap-use-after-free WRITE 8\nCrash state:\nmk_event_timeout_destroy\nflb_sched_destroy\nflb_config_exit\n```\n",
  "id": "OSV-2022-834",
  "modified": "2025-12-24T14:22:31.811787Z",
  "published": "2022-09-04T00:00:31.605787Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924"
    }
  ],
  "schema_version": "1.3.0",
  "summary": "Heap-use-after-free in mk_event_timeout_destroy"
}


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