osv-2020-2074
Vulnerability from osv_ossfuzz
Published
2020-10-16 00:00
Modified
2022-04-13 03:04
Summary
UNKNOWN READ in WelsDec::WelsMarkAsRef
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26356

Crash type: UNKNOWN READ
Crash state:
WelsDec::WelsMarkAsRef
WelsDec::MarkECFrameAsRef
WelsDec::CheckAndFinishLastPic
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "992c1c147175126c3fe7ab78216aa0395f9e6c71:3b13c4cd65a8b93f779ddece7deefac5102ece5e"
      },
      "ecosystem_specific": {
        "introduced_range": "84590b641f4bd07ae448bdb05cb5700d991efa53:effb3931c7c67f34b167fe6e0a93253bf075f78c",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "openh264"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "e7cc7ab7e9091f09449cc66a5c5add600a842c82"
            },
            {
              "fixed": "992c1c147175126c3fe7ab78216aa0395f9e6c71"
            },
            {
              "fixed": "3b13c4cd65a8b93f779ddece7deefac5102ece5e"
            }
          ],
          "repo": "https://github.com/cisco/openh264.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26356\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nWelsDec::WelsMarkAsRef\nWelsDec::MarkECFrameAsRef\nWelsDec::CheckAndFinishLastPic\n```\n",
  "id": "OSV-2020-2074",
  "modified": "2022-04-13T03:04:37.473081Z",
  "published": "2020-10-16T00:00:35.289044Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26356"
    }
  ],
  "summary": "UNKNOWN READ in WelsDec::WelsMarkAsRef"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.