Home / Vulnerabilities / CVE-2023-4863
HIGH SEVERITY
CVE-2023-4863 Google · Chromium WebP

Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
8.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

94.08 %
Predictive Probability
Percentile Rank
99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Sep 13, 2023

Remediation Due

Oct 04, 2023

CISA Catalog Active

Threat Analysis

Google Chromium WebP contains a heap-based buffer overflow vulnerability that allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page. This vulnerability can affect applications that use the WebP Codec.

Remediation Directive

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

External Intelligence