CVE-2023-4863

Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

Score
CVSS 3.1 8.8 High
Status
Analyzed - chrome-cve-admin@google.com
Published
2023-09-12
Last modified
2025-10-21
Known exploited (CISA KEV)
since 2023-09-13, action due 2023-10-04: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weaknesses
CWE-787

Affected products

References