Home › Exploited CVEs › CVE-2023-4863
CVE-2023-4863: Google Chromium WebP Heap-Based Buffer Overflow Vulnerability
Google Chromium WebP · in CISA KEV since 2023-09-13
2023-09-13added to KEV
2023-10-04federal remediation due date
99.98%EPSS exploit probability (30 days) 100.0th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
1days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-787 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2023-09-12 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-4863.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.