{"id":"CVE-2026-20550","kind":"vulnerability","aliases":["CVE-2026-20550"],"related":[],"title":"Android GNSS: out-of-bounds write lets a local app crash the device","description":"In gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11309816; Issue ID: MSV-10731.","summary":"A missing bounds check in the GNSS (satellite positioning) component allows an out-of-bounds write. Per the description, it could cause a local denial of service without extra privileges, and user interaction is needed.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","gnss","infrastructure","mediatek"],"not_affected_if":["patched-firmware"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T03:17:31+00:00","first_seen_at":"2026-11-02T03:31:24+00:00","triaged_at":"2026-11-02T03:33:54+00:00","updated_at":"2026-11-02T03:33:54+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T03:33:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android GNSS: out-of-bounds write lets a local app crash the device","impact":"low","summary":"A missing bounds check in the GNSS (satellite positioning) component allows an out-of-bounds write. Per the description, it could cause a local denial of service without extra privileges, and user interaction is needed.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","gnss","mediatek"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Local denial of service; the device or GNSS service crashes.","analyst_note":"Confirm affected Android/MediaTek builds and the fixed security patch level from the vendor bulletin; the NVD entry alone gives no product ranges.","how_to_check":"- unknown","plain_action":"Install the latest security update for your Android phone once your manufacturer releases it.","needs_analyst":true,"not_affected_if":["patched-firmware"],"who_is_affected":"The description names only the GNSS component and a Patch ID (ALPS11309816), which points to MediaTek platforms. Devices that run the affected build and use location services are the ones to look at. unknown for the exact product list.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000641,"input_tokens":4093,"output_tokens":464,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-10731':103C '-2026':16A,19A '-20550':17A,20A 'addit':87C 'allow':35B 'alps11309816':99C 'android':1A,21B 'app':11A 'bound':6A,27B,40B,69C,75C 'caus':47B 'check':28B,76C 'compon':34B 'could':46B,78C 'crash':12A 'cve':15A,18A 'denial':50B,82C 'descript':44B 'devic':14A 'due':71C 'execut':88C 'exploit':96C 'extra':54B 'gnss':2A,22B,31B,62C 'id':98C,101C 'infrastructur':23B 'interact':58B,92C 'issu':100C 'lead':79C 'let':8A 'local':10A,49B,81C 'mediatek':24B 'miss':26B,74C 'msv':102C 'need':60B,90C,94C 'out-of-bound':3A,37B 'patch':97C 'per':42B 'posit':33B 'possibl':66C 'privileg':55B,89C 'satellit':32B 'servic':52B,84C 'user':57B,91C 'without':53B 'write':7A,41B,70C","nicknames":[],"mitigations":[],"who_affected":"The description names only the GNSS component and a Patch ID (ALPS11309816), which points to MediaTek platforms. Devices that run the affected build and use location services are the ones to look at. unknown for the exact product list.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","gnss","infrastructure","mediatek","unknown"],"first_public_at":"2026-11-02T03:17:31+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-20550","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20550","severity":null,"published_at":"2026-11-02T03:17:31+00:00","modified_at":"2026-11-02T03:17:31+00:00","first_seen_at":"2026-11-02T03:31:24+00:00","fetched_at":"2026-11-02T03:31:24+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}