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.
History

Wed, 14 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-03-12T18:09:40.000Z

Updated: 2026-10-14T08:50:30.957Z

Reserved: 2020-03-12T00:00:00.000Z

Link: CVE-2020-10531

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-03-12T19:15:13.227

Modified: 2026-10-14T09:17:16.753

Link: CVE-2020-10531

cve-icon Redhat

Severity : Important

Publid Date: 2020-02-25T00:00:00Z

Links: CVE-2020-10531 - Bugzilla