{"id":"CVE-2020-17054","aliases":["GHSA-88cw-3m6x-49f7"],"url":"https://o3.security/vulnerability/CVE-2020-17054","summary":"Out-of-bounds Write in ChakraCore","details":"Chakra Scripting Engine Memory Corruption Vulnerability This CVE ID is unique from CVE-2020-17048.","published":"2020-11-11T07:15:16.840Z","modified":"2026-08-27T08:14:57.549151Z","cvss":{"score":4.2,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.ChakraCore","fixedVersion":"1.11.23"}],"fix":{"url":"https://github.com/chakra-core/ChakraCore/pull/6528","label":"chakra-core/ChakraCore#6528"},"references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17054"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17054"},{"type":"WEB","url":"https://github.com/chakra-core/ChakraCore/pull/6528"},{"type":"WEB","url":"https://github.com/chakra-core/ChakraCore/pull/6528/commits/e81e8a51ec7ba3d0dfb6089254f166c2733216e1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:14:57.549151Z"}}