osv-2020-433
Vulnerability from osv_ossfuzz
Published
2020-07-01 00:00
Modified
2022-04-13 03:04
Summary
UNKNOWN READ in icu_64::UCharsTrie::branchNext
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15580

Crash type: UNKNOWN READ
Crash state:
icu_64::UCharsTrie::branchNext
icu_64::CollationIterator::nextCE32FromContraction
icu_64::CollationIterator::appendCEsFromCE32
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "icu"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6e5755a2a833bc64852eae12967d0a54d7adf629"
            },
            {
              "fixed": "943b09016055fc869364ea8df7c93f272ac4679e"
            }
          ],
          "repo": "https://github.com/unicode-org/icu.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "release-65-1",
        "release-65-rc",
        "release-66-1",
        "release-66-preview",
        "release-66-rc",
        "release-67-1",
        "release-67-rc"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15580\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nicu_64::UCharsTrie::branchNext\nicu_64::CollationIterator::nextCE32FromContraction\nicu_64::CollationIterator::appendCEsFromCE32\n```\n",
  "id": "OSV-2020-433",
  "modified": "2022-04-13T03:04:34.078177Z",
  "published": "2020-07-01T00:00:09.276939Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15580"
    }
  ],
  "summary": "UNKNOWN READ in icu_64::UCharsTrie::branchNext"
}


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Sightings

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  • 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.
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  • 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.



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