{"id":"CVE-2026-58990","kind":"vulnerability","aliases":["CVE-2026-58990"],"related":[],"title":"Android Bluetooth L2CAP: integer overflow lets remote attackers read memory","description":"In l2c_fcr_process_peer_cfg_req of l2c_fcr.cc, there is a possible memory safety issue due to an integer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A flaw in the Bluetooth L2CAP code (l2c_fcr_process_peer_cfg_req in l2c_fcr.cc) causes an integer overflow that leads to a memory safety issue. A nearby or remote attacker could disclose information from the device without user interaction or extra privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","bluetooth","infrastructure","l2cap"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:54+00:00","first_seen_at":"2026-11-02T20:35:35+00:00","triaged_at":"2026-11-02T20:37:09+00:00","updated_at":"2026-11-02T20:37:09+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T20:37:09Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Android Bluetooth L2CAP: integer overflow lets remote attackers read memory","impact":"medium","summary":"A flaw in the Bluetooth L2CAP code (l2c_fcr_process_peer_cfg_req in l2c_fcr.cc) causes an integer overflow that leads to a memory safety issue. A nearby or remote attacker could disclose information from the device without user interaction or extra privileges.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["bluetooth","android","l2cap"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"remote attacker reads device memory contents","analyst_note":"Confirm affected Android or Bluetooth stack versions and the patch level from the vendor bulletin; the NVD entry alone gives no product ranges.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000611,"input_tokens":4119,"output_tokens":398,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-58990':13A,16A 'addit':94C 'android':1A,17B 'attack':8A,51B 'bluetooth':2A,18B,25B 'caus':36B 'cfg':32B,69C 'code':27B 'could':52B,86C 'cve':11A,14A 'devic':57B 'disclos':53B 'disclosur':91C 'due':80C 'execut':95C 'exploit':104C 'extra':62B 'fcr':29B,66C 'flaw':22B 'inform':54B,90C 'infrastructur':19B 'integ':4A,38B,83C 'interact':60B,99C 'issu':46B,79C 'l2c':28B,65C 'l2c_fcr.cc':35B,72C 'l2cap':3A,20B,26B 'lead':41B,87C 'let':6A 'memori':10A,44B,77C 'nearbi':48B 'need':97C,102C 'overflow':5A,39B,84C 'peer':31B,68C 'possibl':76C 'privileg':63B,96C 'process':30B,67C 'read':9A 'remot':7A,50B,89C 'req':33B,70C 'safeti':45B,78C 'user':59B,98C 'without':58B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","bluetooth","infrastructure","l2cap","unknown"],"first_public_at":"2026-11-02T20:17:54+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58990","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58990","severity":null,"published_at":"2026-11-02T20:17:54+00:00","modified_at":"2026-11-02T20:17:54+00:00","first_seen_at":"2026-11-02T20:35:35+00:00","fetched_at":"2026-11-02T20:35:35+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"}