{"id":"CVE-2026-58853","kind":"vulnerability","aliases":["CVE-2026-58853"],"related":[],"title":"ipphelper.c: stack buffer overflow from missing bounds check, remote crash","description":"In multiple functions of ipphelper.c, there is a possible stack bugger overflow due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"Multiple functions in ipphelper.c lack a bounds check, allowing a stack buffer overflow. A remote attacker can crash the affected component, causing denial of service, with no extra privileges and no user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ipp","other","printing"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:48+00:00","first_seen_at":"2026-11-02T20:35:31+00:00","triaged_at":"2026-11-02T20:39:01+00:00","updated_at":"2026-11-02T20:39:01+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-02T20:39:01Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"ipphelper.c: stack buffer overflow from missing bounds check, remote crash","impact":"low","summary":"Multiple functions in ipphelper.c lack a bounds check, allowing a stack buffer overflow. A remote attacker can crash the affected component, causing denial of service, with no extra privileges and no user interaction.","audience":"businesses","category":"other","nicknames":[],"who_cares":["ipp","printing"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"remote crash of the service processing IPP requests","analyst_note":"Identify the affected product (ipphelper.c is in an IPP printing stack, likely a printing library or print server); check NVD and vendor advisory for the affected versions and fix.","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":4092,"output_tokens":365,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-58853':13A,16A 'addit':81C 'affect':39B 'allow':28B 'attack':35B 'bound':7A,26B,69C 'buffer':3A,31B 'bugger':63C 'caus':41B 'check':8A,27B,70C 'compon':40B 'could':72C 'crash':10A,37B 'cve':11A,14A 'denial':42B,76C 'due':65C 'execut':82C 'exploit':91C 'extra':47B 'function':21B,55C 'interact':52B,86C 'ipp':17B 'ipphelper.c':1A,23B,57C 'lack':24B 'lead':73C 'miss':6A,68C 'multipl':20B,54C 'need':84C,89C 'overflow':4A,32B,64C 'possibl':61C 'print':19B 'privileg':48B,83C 'remot':9A,34B,75C 'servic':44B,78C 'stack':2A,30B,62C 'user':51B,85C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["ipp","other","printing","unknown"],"first_public_at":"2026-11-02T20:17:48+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58853","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58853","severity":null,"published_at":"2026-11-02T20:17:48+00:00","modified_at":"2026-11-02T20:17:48+00:00","first_seen_at":"2026-11-02T20:35:31+00:00","fetched_at":"2026-11-02T20:35:31+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"}