{"id":"OSV-2020-866","aliases":[],"status":"published","title":"UNKNOWN READ in icu_64::UCharsTrie::branchNext","description":"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```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-14T22:13:50.019093Z","modified":"2026-11-10T17:38:43Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"icu","ranges":[{"type":"GIT","events":[{"introduced":"6e5755a2a833bc64852eae12967d0a54d7adf629"},{"fixed":"4833cc89b2fae2e8863b46bf1dc785964847e882"}]}],"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","cldr/2020-12-03b"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15671","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-866","title":"UNKNOWN READ in icu_64::UCharsTrie::branchNext","description":"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","status":"published","published":"2020-07-14T22:13:50.019093Z","modified":"2026-11-10T17:38:43.493965651Z","updated_at":"2026-11-10T18:05:32.601991Z"}]}}