{"id":"CVE-2026-33958","kind":"vulnerability","aliases":["CVE-2026-33958"],"related":[],"title":"Malformed RRC Reconfiguration message causes out-of-bounds access and denial of service","description":"Processing a malformed RRC Reconfiguration message leads to an out-of-bounds (OOB) access, resulting in a denial-of-service (DoS) condition.","summary":"A malformed RRC Reconfiguration message, part of cellular radio control signalling, triggers an out-of-bounds memory access in the device's processing code. The result is a denial-of-service condition, with no code execution stated in the sources.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["baseband","cellular-modem","infrastructure","mobile-devices"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","triaged_at":"2026-11-05T03:33:54+00:00","updated_at":"2026-11-05T03:33:54+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-05T03:33:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Malformed RRC Reconfiguration message causes out-of-bounds access and denial of service","impact":"low","summary":"A malformed RRC Reconfiguration message, part of cellular radio control signalling, triggers an out-of-bounds memory access in the device's processing code. The result is a denial-of-service condition, with no code execution stated in the sources.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["cellular-modem","baseband","mobile-devices"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Device or modem crashes and stops processing radio signalling.","analyst_note":"Identify the affected device or modem vendor and whether a patch or fixed version is published; the NVD entry gives no product or version ranges.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.00061,"input_tokens":4177,"output_tokens":384,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':16A,19A '-33958':17A,20A 'access':10A,47B,85C 'baseband':21B 'bound':9A,45B,83C 'caus':5A 'cellular':23B,36B 'cellular-modem':22B 'code':53B,65B 'condit':62B,94C 'control':38B 'cve':15A,18A 'denial':12A,59B,90C 'denial-of-servic':58B,89C 'devic':28B,50B 'dos':93C 'execut':66B 'infrastructur':25B 'lead':77C 'malform':1A,30B,73C 'memori':46B 'messag':4A,33B,76C 'mobil':27B 'mobile-devic':26B 'modem':24B 'oob':84C 'out-of-bound':6A,42B,80C 'part':34B 'process':52B,71C 'radio':37B 'reconfigur':3A,32B,75C 'result':55B,86C 'rrc':2A,31B,74C 'servic':14A,61B,92C 'signal':39B 'sourc':70B 'state':67B 'trigger':40B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["baseband","cellularmodem","infrastructure","mobiledevices","unknown"],"campaign_type":null,"first_public_at":"2026-11-05T03:17:26+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-33958","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33958","severity":null,"published_at":"2026-11-05T03:17:26+00:00","modified_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","fetched_at":"2026-11-05T03:31:43+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}