{"schema":"threatline.record/2","record":{"id":"CVE-2023-5217","aliases":[],"summary":"Google Chromium libvpx Heap Buffer Overflow Vulnerability","details":"Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. 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unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.49013,"percentile":0.9888,"score_date":"2026-10-23"},"published_at":"2023-09-28T15:23:18.340Z","modified_at":"2025-10-21T23:05:36.191Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-5217","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:36.191Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-5217","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE 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