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f5F5F5:K23231802
HistoryMay 01, 2022 - 12:00 a.m.

K23231802 : Expat vulnerability CVE-2021-46143

2022-05-0100:00:00
my.f5.com
36

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.8%

Security Advisory Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. (CVE-2021-46143)

Impact

A remote attacker could send specially crafted XML which, when parsed by an application using the Expat library, would result in a buffer over-read and cause the application to stop responding.