{"id":"CVE-2026-82292","kind":"vulnerability","aliases":["CVE-2026-82292"],"related":[],"title":"Qt XML: malformed document input causes a crash via null pointer","description":"A NULL pointer dereference vulnerability in the Qt Framework QDomDocument::setContent() XML parsing path of the Qt XML module (qtbase).","summary":"A NULL pointer dereference in Qt's QDomDocument::setContent() XML parsing path can crash an application that parses XML. The sources do not state what an attacker can gain beyond a crash.","severity":"low","cvss":1.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["c++","package","qt","qtbase"],"not_affected_if":["no-untrusted-xml"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-12T08:16:42+00:00","first_seen_at":"2026-11-12T08:37:15+00:00","triaged_at":"2026-11-12T08:38:36+00:00","updated_at":"2026-11-12T08:38:36+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-11-12T08:38:36Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Qt XML: malformed document input causes a crash via null pointer","impact":"low","summary":"A NULL pointer dereference in Qt's QDomDocument::setContent() XML parsing path can crash an application that parses XML. The sources do not state what an attacker can gain beyond a crash.","audience":"developers","category":"package","nicknames":[],"who_cares":["qt","qtbase","c++"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Application crashes while parsing crafted XML input","analyst_note":"Check the NVD entry and Qt advisories for affected and fixed qtbase versions and whether the trigger needs network input.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-untrusted-xml"],"who_is_affected":"Applications built on the Qt XML module (qtbase) that call QDomDocument::setContent() on untrusted XML may be exposed. The sources do not list affected versions or a configuration that matters. unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000661,"input_tokens":4515,"output_tokens":419,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-82292':14A,17A 'applic':37B 'attack':48B 'beyond':51B 'c':18B 'caus':6A 'crash':8A,35B,53B 'cve':12A,15A 'derefer':25B,57C 'document':4A 'framework':62C 'gain':50B 'input':5A 'malform':3A 'modul':72C 'null':10A,23B,55C 'packag':19B 'pars':32B,39B,66C 'path':33B,67C 'pointer':11A,24B,56C 'qdomdocu':29B,63C 'qt':1A,20B,27B,61C,70C 'qtbase':21B,73C 'setcont':30B,64C 'sourc':42B 'state':45B 'via':9A 'vulner':58C 'xml':2A,31B,40B,65C,71C","nicknames":[],"mitigations":[],"who_affected":"Applications built on the Qt XML module (qtbase) that call QDomDocument::setContent() on untrusted XML may be exposed. The sources do not list affected versions or a configuration that matters. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["c","low","package","qt","qtbase"],"campaign_type":null,"search_a":"'-2026':13A,16A '-82292':14A,17A 'caus':6A 'crash':8A 'cve':12A,15A 'document':4A 'input':5A 'malform':3A 'null':10A 'pointer':11A 'qt':1A 'via':9A 'xml':2A","search_b":"'applic':37B 'attack':48B 'beyond':51B 'c':18B 'crash':35B,53B 'derefer':25B 'gain':50B 'null':23B 'packag':19B 'pars':32B,39B 'path':33B 'pointer':24B 'qdomdocu':29B 'qt':20B,27B 'qtbase':21B 'setcont':30B 'sourc':42B 'state':45B 'xml':31B,40B","search_c":"'derefer':57C 'framework':62C 'modul':72C 'null':55C 'pars':66C 'path':67C 'pointer':56C 'qdomdocu':63C 'qt':61C,70C 'qtbase':73C 'setcont':64C 'vulner':58C 'xml':65C,71C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-12T08:16:42+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:L/U:X","cvss_by":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-82292","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82292","severity":null,"published_at":"2026-11-12T08:16:42+00:00","modified_at":"2026-11-12T08:16:42+00:00","first_seen_at":"2026-11-12T08:37:15+00:00","fetched_at":"2026-11-12T08:37:15+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"}