osv-2020-2091
Vulnerability from osv_ossfuzz
Published
2020-10-22 00:00
Modified
2022-04-13 03:30
Summary
UNKNOWN READ in WelsDec::WelsMarkAsRef
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26533

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

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "992c1c147175126c3fe7ab78216aa0395f9e6c71:f15f940425eebf24ce66984db2445733cf500b7b"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "openh264"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "519b0ff554e9713198bc3b3185da809be42be20c"
            },
            {
              "fixed": "b52786888ddce9d6bc06b7825ba9bffc65924e0c"
            },
            {
              "fixed": "f15f940425eebf24ce66984db2445733cf500b7b"
            }
          ],
          "repo": "https://github.com/cisco/openh264.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.0.0",
        "v2.1.0",
        "v2.1.1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26533\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nWelsDec::WelsMarkAsRef\nWelsDec::MarkECFrameAsRef\nWelsDec::CheckAndFinishLastPic\n```\n",
  "id": "OSV-2020-2091",
  "modified": "2022-04-13T03:30:58.096308Z",
  "published": "2020-10-22T00:00:21.083633Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26533"
    }
  ],
  "summary": "UNKNOWN READ in WelsDec::WelsMarkAsRef"
}


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Sightings

Author Source Type Date

Nomenclature

  • 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.