CVE-2021-46143 HIGH

CVE-2021-46143

Vendor N/A
Product n/a
Published January 6, 2022
Last update May 5, 2025
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N

What the vulnerability does

01Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

Key dates

02Disclosure timeline

January 6, 2022 CVE published
May 5, 2025 Record updated