{"id":"CVE-2026-105923","kind":"vulnerability","aliases":["CVE-2026-105923"],"related":[],"title":"Qt VectorImage QML: malicious SVG causes null-pointer crash","description":"A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.","summary":"A crafted SVG file can trigger an integer overflow that leads to a null-pointer dereference in the VectorImage QML type. The sources do not say whether this gives code execution or only a crash.","severity":"medium","cvss":4.0,"epss":0.0012,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","qml","qt"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-21T10:16:54+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-25T04:41:52+00:00","updated_at":"2026-10-25T04:41:52+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-10-25T04:41:52Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Qt VectorImage QML: malicious SVG causes null-pointer crash","impact":"low","summary":"A crafted SVG file can trigger an integer overflow that leads to a null-pointer dereference in the VectorImage QML type. The sources do not say whether this gives code execution or only a crash.","category":"package","nicknames":[],"who_cares":["qt","qml"],"confidence":0.4,"needs_auth":"unknown","worst_case":"unknown; sources describe only a null-pointer dereference","analyst_note":"Check the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-105923 for affected Qt versions, fixed versions and whether the flaw is a crash or code execution.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000507,"input_tokens":3306,"output_tokens":352,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-105923':13A,16A '-2026':12A,15A 'caus':6A 'code':50B 'craft':21B 'crash':10A,55B 'cve':11A,14A 'derefer':36B,72C 'execut':51B 'file':23B 'give':49B 'integ':27B,62C 'lead':30B 'malici':4A,57C 'null':8A,34B,70C 'null-point':7A,33B,69C 'overflow':28B,63C 'packag':17B 'pointer':9A,35B,71C 'qml':3A,18B,40B,75C 'qt':1A,19B 'say':46B 'sourc':43B 'svg':5A,22B,58C 'trigger':25B,60C,67C 'turn':66C 'type':41B,76C 'vectorimag':2A,39B,74C 'whether':47B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T10:16:54+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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:N/R:U/V:X/RE:L/U:Green","cvss_by":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105923","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105923","severity":null,"published_at":"2026-10-21T10:16:54+00:00","modified_at":"2026-10-22T15:37:23+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-105923","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105923","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+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"}