{"cve_id":"CVE-2023-5217","published":"2023-09-28T16:15:10.980000+00:00","last_modified":"2026-06-17T06:48:06.467000+00:00","vuln_status":"Analyzed","description":"Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","base_score":8.8,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-787"],"in_kev":true,"kev_date_added":"2023-10-02","kev_ransomware":false,"epss_score":0.49013,"epss_percentile":0.98881,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:39:30.644357+00:00","first_seen":"2023-09-28T16:15:10.980000+00:00","kev_first_seen":"2023-10-02T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["apple","debian","fedoraproject","google","microsoft","mozilla","redhat","webmproject"],"products":["chrome","debian_linux","edge","edge_chromium","enterprise_linux","fedora","firefox","ipados","iphone_os","libvpx","thunderbird"],"affected":[{"vendor":"apple","product":"ipados","ranges":["16.7","≥ 17.0 and < 17.0.3"]},{"vendor":"apple","product":"iphone_os","ranges":["≥ 17.0 and < 17.0.3","16.7"]},{"vendor":"debian","product":"debian_linux","ranges":["10.0","11.0","12.0"]},{"vendor":"fedoraproject","product":"fedora","ranges":["37","38","39"]},{"vendor":"google","product":"chrome","ranges":["< 117.0.5938.132"]},{"vendor":"microsoft","product":"edge","ranges":["116.0.1938.98","117.0.2045.47"]},{"vendor":"microsoft","product":"edge_chromium","ranges":["117.0.5938.132","116.0.5845.229"]},{"vendor":"mozilla","product":"firefox","ranges":["< 118.0.1","< 115.3.1","< 118.1"]},{"vendor":"mozilla","product":"thunderbird","ranges":["< 115.3.1"]},{"vendor":"redhat","product":"enterprise_linux","ranges":["9.0"]},{"vendor":"webmproject","product":"libvpx","ranges":["< 1.13.1"]}]}