osv-2020-789
Vulnerability from osv_ossfuzz
Published
2020-07-14 05:37
Modified
2022-04-13 03:33
Summary
Heap-use-after-free in llvm_ks::X86Operand::getToken
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850

Crash type: Heap-use-after-free READ 4
Crash state:
llvm_ks::X86Operand::getToken
X86AsmParser::MatchAndEmitATTInstruction
X86AsmParser::MatchAndEmitInstruction
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "e1547852d9accb9460573eb156fc81645b8e1871:1475885daa7e566c064ae9754706e1a0ba24be3b"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "keystone"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "105761ffe7176a60b4ff1b1c165ad937110ae63e"
            },
            {
              "fixed": "e1547852d9accb9460573eb156fc81645b8e1871"
            },
            {
              "fixed": "1475885daa7e566c064ae9754706e1a0ba24be3b"
            }
          ],
          "repo": "https://github.com/keystone-engine/keystone.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.9.2",
        "0.9.2-rc1",
        "0.9.2-rc1.post1",
        "0.9.2-rc1.post2"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nllvm_ks::X86Operand::getToken\nX86AsmParser::MatchAndEmitATTInstruction\nX86AsmParser::MatchAndEmitInstruction\n```\n",
  "id": "OSV-2020-789",
  "modified": "2022-04-13T03:33:15.594673Z",
  "published": "2020-07-14T05:37:34.150718Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850"
    }
  ],
  "summary": "Heap-use-after-free in llvm_ks::X86Operand::getToken"
}


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