{"schema":"threatline.record/2","record":{"id":"CVE-2020-15999","aliases":[],"summary":"Google Chrome FreeType Heap Buffer Overflow Vulnerability","details":"Google Chrome uses FreeType, an open-source software library to render fonts, which contains a heap buffer overflow vulnerability in the function Load_SBit_Png when processing PNG images embedded into fonts. This vulnerability is part of an exploit chain with CVE-2020-17087 on Windows and CVE-2020-16010 on Android.","categories":["Applications & CMS"],"product":"Chrome FreeType","vendor":"Google","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-15999","source_modified_at":"2025-10-21T23:35:33.599Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Chrome","vendor":"Google","versions":[{"version":"unspecified","lessThan":"86.0.4240.111","status":"affected","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-15999","source_modified_at":"2025-10-21T23:35:33.599Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Chrome","ecosystem":null},"version":"86.0.4240.111","basis":"first unaffected version stated in the CVE record"}],"cvss":9.6,"severity":"Critical","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2021-11-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.63894,"percentile":0.99225,"score_date":"2026-10-23"},"published_at":"2020-11-03T00:00:00.000Z","modified_at":"2025-10-21T23:35:33.599Z","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-2020-15999","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:33.599Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-15999","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15999","source":"CISA KEV"},{"source":"CVE List","url":"https://crbug.com/1139963","tags":["x_transferred"]},{"source":"CVE List","url":"https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://security.gentoo.org/glsa/202011-12","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://security.gentoo.org/glsa/202012-04","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://www.debian.org/security/2021/dsa-4824","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html","tags":["x_transferred"]},{"source":"CVE List","url":"https://security.gentoo.org/glsa/202401-19","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://security.netapp.com/advisory/ntap-20240812-0001/"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2025-02-04T14:58:48.995301Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:33.599Z","content_hash":"da2eefaec3435ae38038d986c28862ba0d7f9a1d25d50debe94c73aea2564c7f"}}