{"id":"CVE-2026-20551","kind":"vulnerability","aliases":["CVE-2026-20551"],"related":[],"title":"Android GNSS: missing bounds check allows out-of-bounds write locally","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: ALPS11309305; Issue ID: MSV-10730.","summary":"A missing bounds check in the GNSS (GPS satellite positioning) component can cause an out-of-bounds memory write. A local attacker can crash the component, causing denial of service, and no extra privileges are needed beyond user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","gnss","infrastructure","mediatek"],"not_affected_if":["patched-device"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T03:17:32+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: missing bounds check allows out-of-bounds write locally","impact":"low","summary":"A missing bounds check in the GNSS (GPS satellite positioning) component can cause an out-of-bounds memory write. A local attacker can crash the component, causing denial of service, and no extra privileges are needed beyond user interaction.","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 from memory corruption in GNSS","analyst_note":"Check the NVD entry and the Android Security Bulletin for the affected builds and the patched date for patch ID ALPS11309305.","how_to_check":"unknown","plain_action":"Install the latest Android security update on your phone when your manufacturer offers it.","needs_analyst":true,"not_affected_if":["patched-device"],"who_is_affected":"The description names only the GNSS component and a patch ID (ALPS11309305, MSV-10730), which points to MediaTek chipset firmware or Android builds. The sources do not name affected versions, so it is unknown whether a given device is exposed. Devices with the patch applied are not affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000652,"input_tokens":4093,"output_tokens":486,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-10730':105C '-2026':14A,17A '-20551':15A,18A 'addit':89C 'allow':6A 'alps11309305':101C 'android':1A,19B 'attack':45B 'beyond':60B 'bound':4A,10A,25B,40B,71C,77C 'caus':35B,50B 'check':5A,26B,78C 'compon':33B,49B 'could':80C 'crash':47B 'cve':13A,16A 'denial':51B,84C 'due':73C 'execut':90C 'exploit':98C 'extra':56B 'gnss':2A,20B,29B,64C 'gps':30B 'id':100C,103C 'infrastructur':21B 'interact':62B,94C 'issu':102C 'lead':81C 'local':12A,44B,83C 'mediatek':22B 'memori':41B 'miss':3A,24B,76C 'msv':104C 'need':59B,92C,96C 'out-of-bound':7A,37B 'patch':99C 'posit':32B 'possibl':68C 'privileg':57B,91C 'satellit':31B 'servic':53B,86C 'user':61B,93C 'write':11A,42B,72C","nicknames":[],"mitigations":[],"who_affected":"The description names only the GNSS component and a patch ID (ALPS11309305, MSV-10730), which points to MediaTek chipset firmware or Android builds. The sources do not name affected versions, so it is unknown whether a given device is exposed. Devices with the patch applied are not affected.","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":"2026-11-02T03:17:32+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-20551","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20551","severity":null,"published_at":"2026-11-02T03:17:32+00:00","modified_at":"2026-11-02T03:17:32+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"}