Technical Severity
CRITICAL
CVSS v3.1 Metrics
9.6
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
92.91
%
Predictive Probability
Percentile Rank
99.8
th
Documented as more likely to be exploited than 99.8% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
Nov 17, 2021
CISA Catalog Active
Threat Analysis
Google Chrome uses FreeType, an open-source software library to render fonts, which contains a heap buffer overflow vulnerability in the function Load_SBit_Png when processing PNG images embedded into fonts. This vulnerability is part of an exploit chain with CVE-2020-17087 on Windows and CVE-2020-16010 on Android.
Remediation Directive
Apply updates per vendor instructions.