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CVE Watch—

CVE-2023-4863

Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

100.0%

p100

KEV

YES

Sep 13, 2023

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
100.0%EPSS · 30 days100.0%
2026-09-162026-10-14
KEV catalog record

Product

Google / Chromium WebP

Vulnerability

Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

Added to KEV

Sep 13, 2023

Remediate by

Oct 4, 2023

Known ransomware use

No

Summary description

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.

Required action

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

Notes

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1; https://nvd.nist.gov/vuln/detail/CVE-2023-4863

Related CVEs

No related CVEs by CWE or product.