{"id":"CVE-2026-59578","kind":"vulnerability","aliases":["CVE-2026-59578"],"related":[],"title":"Android AV1 encoder: buffer overflow lets a local app gain higher privileges","description":"In s_check_valid_tile_param_custom_tile of av1_encoder, there is a possible Non-Heap Buffer Overflow due to a buffer overflow. This could lead to local escalation of privilege with execution privileges needed. User interaction is for exploitation.","summary":"A buffer overflow in the AV1 video encoder's custom tile parameter check can be triggered on the device. A local attacker running code can escalate privileges, and user interaction is needed for exploitation.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","av1-encoder","infrastructure"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:28+00:00","first_seen_at":"2026-11-10T20:46:12+00:00","triaged_at":"2026-11-10T20:50:03+00:00","updated_at":"2026-11-10T20:50:03+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T20:50:03Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android AV1 encoder: buffer overflow lets a local app gain higher privileges","impact":"high","summary":"A buffer overflow in the AV1 video encoder's custom tile parameter check can be triggered on the device. A local attacker running code can escalate privileges, and user interaction is needed for exploitation.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","av1-encoder"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local code gains elevated privileges on the device","analyst_note":"Check NVD and the Android security bulletin for affected component, patch level and fixed version for CVE-2026-59578.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000629,"input_tokens":4548,"output_tokens":348,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-59578':15A,18A 'android':1A,19B 'app':9A 'attack':45B 'av1':2A,21B,29B,67C 'av1-encoder':20B 'buffer':4A,25B,76C,81C 'check':36B,60C 'code':47B 'could':84C 'custom':33B,64C 'cve':13A,16A 'devic':42B 'due':78C 'encod':3A,22B,31B,68C 'escal':49B,88C 'execut':92C 'exploit':57B,99C 'gain':10A 'heap':75C 'higher':11A 'infrastructur':23B 'interact':53B,96C 'lead':85C 'let':6A 'local':8A,44B,87C 'need':55B,94C 'non':74C 'non-heap':73C 'overflow':5A,26B,77C,82C 'param':63C 'paramet':35B 'possibl':72C 'privileg':12A,50B,90C,93C 'run':46B 'tile':34B,62C,65C 'trigger':39B 'user':52B,95C 'valid':61C 'video':30B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","av1encoder","infrastructure","unknown"],"campaign_type":null,"search_a":"'-2026':14A,17A '-59578':15A,18A 'android':1A 'app':9A 'av1':2A 'buffer':4A 'cve':13A,16A 'encod':3A 'gain':10A 'higher':11A 'let':6A 'local':8A 'overflow':5A 'privileg':12A","search_b":"'android':19B 'attack':45B 'av1':21B,29B 'av1-encoder':20B 'buffer':25B 'check':36B 'code':47B 'custom':33B 'devic':42B 'encod':22B,31B 'escal':49B 'exploit':57B 'infrastructur':23B 'interact':53B 'local':44B 'need':55B 'overflow':26B 'paramet':35B 'privileg':50B 'run':46B 'tile':34B 'trigger':39B 'user':52B 'video':30B","search_c":"'av1':67C 'buffer':76C,81C 'check':60C 'could':84C 'custom':64C 'due':78C 'encod':68C 'escal':88C 'execut':92C 'exploit':99C 'heap':75C 'interact':96C 'lead':85C 'local':87C 'need':94C 'non':74C 'non-heap':73C 'overflow':77C,82C 'param':63C 'possibl':72C 'privileg':90C,93C 'tile':62C,65C 'user':95C 'valid':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:28+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-59578","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59578","severity":null,"published_at":"2026-11-10T20:19:28+00:00","modified_at":"2026-11-10T20:19:28+00:00","first_seen_at":"2026-11-10T20:46:12+00:00","fetched_at":"2026-11-10T20:46:12+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}