osv-2020-16
Vulnerability from osv_ossfuzz
Published
2020-06-24 01:51
Modified
2022-04-13 03:04
Summary
Heap-use-after-free in BEInt<unsigned short, 2>::operator unsigned short
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20906

Crash type: Heap-use-after-free READ 2
Crash state:
BEInt<unsigned short, 2>::operator unsigned short
OT::IntType<unsigned short, 2u>::operator unsigned int
OT::GlyphVarData::has_data
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5ad761b943721c3541d0ca0472f34f7d54b89b5b"
            },
            {
              "fixed": "8eba66c1c6d19bcc779a3b4e7b68251511986ee8"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20906\n\n```\nCrash type: Heap-use-after-free READ 2\nCrash state:\nBEInt\u003cunsigned short, 2\u003e::operator unsigned short\nOT::IntType\u003cunsigned short, 2u\u003e::operator unsigned int\nOT::GlyphVarData::has_data\n```\n",
  "id": "OSV-2020-16",
  "modified": "2022-04-13T03:04:33.001228Z",
  "published": "2020-06-24T01:51:10.290066Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20906"
    }
  ],
  "summary": "Heap-use-after-free in BEInt\u003cunsigned short, 2\u003e::operator unsigned short"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.