{"cve":{"cve_id":"CVE-2026-8484","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.0014,"epss_percentile":0.03721,"epss_as_of":"2026-06-23","description":"A heap buffer overflow vulnerability exists in the Jansi JNI \"ioctl()\" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS).\nAll versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.","published_at":"2026-06-16T10:32:14.198000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":4.8,"cvss_v4_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-122"],"nvd_references":["https://cert.pl/en/posts/2026/06/CVE-2026-8484","https://github.com/fusesource/jansi/tree/master"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:31:09.528579Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"P","value_label":"Passive"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"fusesource","vendor_name":"FuseSource","product_slug":"jansi","product_name":"jansi","version_start":"0","version_start_inclusive":true,"version_end":"2.4.3","version_end_inclusive":true,"cpe23_uri":"cve5:fusesource:jansi:0:2.4.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://cert.pl/en/posts/2026/06/CVE-2026-8484","source_type":"MISC","tags":[]},{"url":"https://github.com/fusesource/jansi/tree/master","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-16T10:32:14.198000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:56:17.788615Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:56:17.788615Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:56:17.788615Z","label":"CVSS score revised","source":"cvelistv5"}]}