CVE-2020-10531

Public on 2020-04-20
Modified on 2020-05-06
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.
Severity
Important
CVSS v3 Base Score
8.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 icu 2020-05-05 01:13 ALAS2-2020-1418
Amazon Linux 1 icu 2020-04-20 20:34 ALAS-2020-1361

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H