{"id":"PUB-A-230172711","details":"In findParam of HevcUtils.cpp there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-230172711","CVE-2022-20528"],"modified":"2026-05-19T16:54:37.272608834Z","published":"2022-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/av/+/aff26637aae9ad9bb635b78a44d8afad27bb7f03"}],"affected":[{"package":{"name":"platform/frameworks/av","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2022-12-01"}]}],"versions":["13"],"ecosystem_specific":{"types":["ID"],"vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["81169003840132905218990681494903872766","121376491842224635248184432046916462405","187603094618404667930736676984547874268","259412037019811148334675415868417483230","177489959670311068796850251743936993030","73709632481376450741157936670470886977","13901613559220634436036940760759199135"],"threshold":0.9},"signature_version":"v1","match_only_versions":["13"],"target":{"file":"media/libstagefright/HevcUtils.cpp"},"signature_type":"Line","source":"https://android.googlesource.com/platform/frameworks/av/+/aff26637aae9ad9bb635b78a44d8afad27bb7f03","id":"PUB-A-230172711-28350568"},{"deprecated":false,"digest":{"length":233,"function_hash":"82620060166380078532847341058515495124"},"signature_version":"v1","match_only_versions":["13"],"target":{"file":"media/libstagefright/HevcUtils.cpp","function":"findParam"},"signature_type":"Function","source":"https://android.googlesource.com/platform/frameworks/av/+/aff26637aae9ad9bb635b78a44d8afad27bb7f03","id":"PUB-A-230172711-acc49b12"}],"fixes":["https://android.googlesource.com/platform/frameworks/av/+/aff26637aae9ad9bb635b78a44d8afad27bb7f03"],"severity":"Moderate","spl":"2022-12-01"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-230172711.json"}}],"schema_version":"1.7.5"}