{"cve":"CVE-2020-10531","nvd":{"published":"2020-03-12T19:15:13.227","modified":"2026-10-14T09:17:16.753","status":"Modified","description":"An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-190","CWE-787"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html","https://access.redhat.com/errata/RHSA-2020:0738","https://bugs.chromium.org/p/chromium/issues/detail?id=1044570","https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html","https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08"],"products":["canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","google:chrome","icu-project:international_components_for_unicode","nodejs:node.js","opensuse:leap","oracle:banking_extensibility_workbench","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-10531","score":0.02669,"percentile":0.85639,"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."]}