{"id":"CVE-2026-58977","kind":"vulnerability","aliases":["CVE-2026-58977"],"related":[],"title":"Android timed cache header check allows out-of-bounds write, local privilege escalation","description":"In is_valid_header of timed_cache_item.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","summary":"The is_valid_header function in timed_cache_item.c lacks a bounds check, allowing an out-of-bounds write. A local app with System-level execution could use it to escalate privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","local-privilege-escalation"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T21:17:37+00:00","first_seen_at":"2026-11-02T21:35:41+00:00","triaged_at":"2026-11-02T21:37:09+00:00","updated_at":"2026-11-02T21:37:09+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T21:37:09Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android timed cache header check allows out-of-bounds write, local privilege escalation","impact":"high","summary":"The is_valid_header function in timed_cache_item.c lacks a bounds check, allowing an out-of-bounds write. A local app with System-level execution could use it to escalate privileges.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","local-privilege-escalation"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local code gains System-level privileges on the device","analyst_note":"Confirm the affected product and Android security bulletin, patched versions, and whether a fix is published at https://nvd.nist.gov/vuln/detail/CVE-2026-58977.","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":0.000592,"input_tokens":4098,"output_tokens":365,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':16A,19A '-58977':17A,20A 'allow':6A,40B 'android':1A,21B 'app':49B 'bound':10A,38B,45B,76C,82C 'cach':3A,34B,67C 'check':5A,39B,83C 'could':55B,85C 'cve':15A,18A 'due':78C 'escal':14A,26B,59B,89C 'execut':54B,94C 'exploit':103C 'function':31B 'header':4A,30B,64C 'infrastructur':22B 'interact':98C 'item.c':35B,68C 'lack':36B 'lead':86C 'level':53B 'local':12A,24B,48B,88C 'local-privilege-escal':23B 'miss':81C 'need':96C,101C 'out-of-bound':7A,42B,73C 'possibl':72C 'privileg':13A,25B,60B,91C,95C 'system':52B,93C 'system-level':51B 'time':2A,33B,66C 'use':56B 'user':97C 'valid':29B,63C 'write':11A,46B,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","infrastructure","localprivilegeescalation","unknown"],"first_public_at":"2026-11-02T21:17:37+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58977","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58977","severity":null,"published_at":"2026-11-02T21:17:37+00:00","modified_at":"2026-11-02T21:17:37+00:00","first_seen_at":"2026-11-02T21:35:41+00:00","fetched_at":"2026-11-02T21:35:41+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"}