osv-2021-1236
Vulnerability from osv_ossfuzz
Published
2021-09-12 00:00
Modified
2023-02-24 02:18
Summary
UNKNOWN READ in icu_70::UCharsTrie::branchNext
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38390

Crash type: UNKNOWN READ
Crash state:
icu_70::UCharsTrie::branchNext
icu_70::UCharsTrie::firstForCodePoint
icu_70::CollationIterator::nextCE32FromContraction
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "introduced_range": "0ec329c6e17539d7662942be09204a1d4190761e:b38a49fc7e89b86895ecbc67fcaf60ba8825a693"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "icu"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7851f708a3dd43fc1e0e9dd784e7dfe9a70915b2"
            },
            {
              "fixed": "4833cc89b2fae2e8863b46bf1dc785964847e882"
            }
          ],
          "repo": "https://github.com/unicode-org/icu.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "cldr/2021-09-15",
        "cldr/2021-09-29",
        "cldr/2021-10-19",
        "cldr/2021-10-25",
        "cldr/2022-02-08",
        "cldr/2022-02-22",
        "cldr/2022-02-23",
        "cldr/2022-03-30",
        "cldr/2022-03-31",
        "release-70-1",
        "release-70-rc",
        "release-71-rc",
        "release-71-1",
        "icu4x/2022-06-30/71.x",
        "icu4x/2022-07-18/71.x",
        "icu4x/2022-07-25/71.x",
        "icu4x/2022-08-17/71.x"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38390\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nicu_70::UCharsTrie::branchNext\nicu_70::UCharsTrie::firstForCodePoint\nicu_70::CollationIterator::nextCE32FromContraction\n```\n",
  "id": "OSV-2021-1236",
  "modified": "2023-02-24T02:18:55.717212Z",
  "published": "2021-09-12T00:00:39.088726Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38390"
    }
  ],
  "summary": "UNKNOWN READ in icu_70::UCharsTrie::branchNext"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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