osv-2021-374
Vulnerability from osv_ossfuzz
Published
2021-02-12 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in BEInt<unsigned short, 2>::operator unsigned short
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30817

Crash type: Heap-buffer-overflow READ 2
Crash state:
BEInt<unsigned short, 2>::operator unsigned short
OT::IntType<unsigned short, 2u>::operator unsigned int
OT::AnchorMatrix::subset
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "harfbuzz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c7d232ce4e8eccdeaf8fc4bb4b73818b581d3fb9"
            },
            {
              "fixed": "5ca353a2d026f655af61ae159adcaeace1fdb09c"
            }
          ],
          "repo": "https://github.com/harfbuzz/harfbuzz.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30817\n\n```\nCrash type: Heap-buffer-overflow READ 2\nCrash state:\nBEInt\u003cunsigned short, 2\u003e::operator unsigned short\nOT::IntType\u003cunsigned short, 2u\u003e::operator unsigned int\nOT::AnchorMatrix::subset\n```\n",
  "id": "OSV-2021-374",
  "modified": "2022-04-13T03:04:33.098583Z",
  "published": "2021-02-12T00:00:14.696122Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30817"
    }
  ],
  "summary": "Heap-buffer-overflow 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.