osv-2020-866
Vulnerability from osv_ossfuzz
Published
2020-07-14 22:13
Modified
2023-09-01 00:43
Summary
UNKNOWN READ in icu_64::UCharsTrie::branchNext
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15671

Crash type: UNKNOWN READ
Crash state:
icu_64::UCharsTrie::branchNext
icu_64::UCharsTrie::nextImpl
icu_64::UCharsTrie::next
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "icu"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6e5755a2a833bc64852eae12967d0a54d7adf629"
            },
            {
              "fixed": "4833cc89b2fae2e8863b46bf1dc785964847e882"
            }
          ],
          "repo": "https://github.com/unicode-org/icu.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "cldr/2020-09-22",
        "cldr/2020-10-21",
        "cldr/2021-02-17",
        "cldr/2021-03-09",
        "cldr/2021-06-15",
        "cldr/2021-08-11",
        "cldr/2021-08-25",
        "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",
        "icu4x/2022-06-30/71.x",
        "icu4x/2022-07-18/71.x",
        "icu4x/2022-07-25/71.x",
        "icu4x/2022-08-17/71.x",
        "release-65-1",
        "release-65-rc",
        "release-66-1",
        "release-66-preview",
        "release-66-rc",
        "release-67-1",
        "release-67-rc",
        "release-68-1",
        "release-68-2",
        "release-68-alpha",
        "release-68-rc",
        "release-69-1",
        "release-69-rc",
        "release-70-1",
        "release-70-rc",
        "release-71-1",
        "release-71-rc"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15671\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nicu_64::UCharsTrie::branchNext\nicu_64::UCharsTrie::nextImpl\nicu_64::UCharsTrie::next\n```\n",
  "id": "OSV-2020-866",
  "modified": "2023-09-01T00:43:30.051617Z",
  "published": "2020-07-14T22:13:50.019093Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15671"
    }
  ],
  "summary": "UNKNOWN READ in icu_64::UCharsTrie::branchNext"
}


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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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