{"cve":"CVE-2020-21913","nvd":{"published":"2021-09-20T14:15:08.160","modified":"2026-10-14T10:17:32.143","status":"Modified","description":"International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-416"],"references":["https://github.com/unicode-org/icu/pull/886","https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html","https://unicode-org.atlassian.net/browse/ICU-20850","https://www.debian.org/security/2021/dsa-5014","https://github.com/unicode-org/icu/pull/886"],"products":["debian:debian_linux","unicode:international_components_for_unicode"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2020-21913","score":0.01213,"percentile":0.68307,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}