{"cve":{"cve_id":"CVE-2001-1421","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":0.02424,"epss_percentile":0.82055,"epss_as_of":"2026-06-23","description":"AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service (application crash) via a large number of different fonts followed by an HTML HR tag.","published_at":"2005-03-20T05:00:00Z","last_modified_at":"2026-06-16T21:56:14.500000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.kb.cert.org/vuls/id/JARL-569MD7","http://www.securityfocus.com/bid/3756","http://www.securityfocus.com/archive/1/218920","https://exchange.xforce.ibmcloud.com/vulnerabilities/7757","http://www.kb.cert.org/vuls/id/530299","http://www.securityfocus.com/archive/1/247707"],"vuln_status":"Modified","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":"2026-06-28T23:02:18.397925Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"aol","vendor_name":"AOL","product_slug":"instant-messenger","product_name":"instant_messenger","version_start":null,"version_start_inclusive":null,"version_end":"4.7","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:aol:instant_messenger:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.kb.cert.org/vuls/id/JARL-569MD7","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/3756","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/218920","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7757","source_type":"MISC","tags":[]},{"url":"http://www.kb.cert.org/vuls/id/530299","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/247707","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2005-03-20T05:00:00Z","label":"CVE published","source":null}]}