{"id":"CVE-2026-55344","kind":"vulnerability","aliases":["CVE-2026-55344"],"related":[],"title":"TzSharedMemory heap overflow lets a local app gain higher privileges","description":"In TzSharedMemory of TzSharedMemory.c, there is a possible Heap buffer overflow due to a logic error in the code. This could lead to local escalation of privilege with execution privileges needed. User interaction is for exploitation.","summary":"A logic error in TzSharedMemory in TzSharedMemory.c allows a heap buffer overflow. A local attacker with execution rights could use it to escalate privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","local-privilege-escalation","other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:13+00:00","first_seen_at":"2026-11-10T20:46:06+00:00","triaged_at":"2026-11-10T20:54:00+00:00","updated_at":"2026-11-10T20:54:00+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T20:54:00Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"TzSharedMemory heap overflow lets a local app gain higher privileges","impact":"high","summary":"A logic error in TzSharedMemory in TzSharedMemory.c allows a heap buffer overflow. A local attacker with execution rights could use it to escalate privileges.","audience":"everyone","category":"other","nicknames":[],"who_cares":["android","local-privilege-escalation"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local code gains elevated privileges on the device","analyst_note":"Identify the affected vendor and product for TzSharedMemory.c and the fixed build; the NVD entry gives no product data.","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":0.000623,"input_tokens":4530,"output_tokens":340,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-55344':13A,16A 'allow':29B 'android':17B 'app':7A 'attack':36B 'buffer':32B,55C 'code':64C 'could':40B,66C 'cve':11A,14A 'due':57C 'error':24B,61C 'escal':21B,44B,70C 'execut':38B,74C 'exploit':81C 'gain':8A 'heap':2A,31B,54C 'higher':9A 'interact':78C 'lead':67C 'let':4A 'local':6A,19B,35B,69C 'local-privilege-escal':18B 'logic':23B,60C 'need':76C 'overflow':3A,33B,56C 'possibl':53C 'privileg':10A,20B,45B,72C,75C 'right':39B 'tzsharedmemori':1A,26B,47C 'tzsharedmemory.c':28B,49C 'use':41B 'user':77C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","localprivilegeescalation","other","unknown"],"campaign_type":null,"search_a":"'-2026':12A,15A '-55344':13A,16A 'app':7A 'cve':11A,14A 'gain':8A 'heap':2A 'higher':9A 'let':4A 'local':6A 'overflow':3A 'privileg':10A 'tzsharedmemori':1A","search_b":"'allow':29B 'android':17B 'attack':36B 'buffer':32B 'could':40B 'error':24B 'escal':21B,44B 'execut':38B 'heap':31B 'local':19B,35B 'local-privilege-escal':18B 'logic':23B 'overflow':33B 'privileg':20B,45B 'right':39B 'tzsharedmemori':26B 'tzsharedmemory.c':28B 'use':41B","search_c":"'buffer':55C 'code':64C 'could':66C 'due':57C 'error':61C 'escal':70C 'execut':74C 'exploit':81C 'heap':54C 'interact':78C 'lead':67C 'local':69C 'logic':60C 'need':76C 'overflow':56C 'possibl':53C 'privileg':72C,75C 'tzsharedmemori':47C 'tzsharedmemory.c':49C 'user':77C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:13+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-55344","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55344","severity":null,"published_at":"2026-11-10T20:19:13+00:00","modified_at":"2026-11-10T20:19:13+00:00","first_seen_at":"2026-11-10T20:46:06+00:00","fetched_at":"2026-11-10T20:46:06+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"}