CVE record
CVE-2023-4863
Google Chromium WebP Heap-Based Buffer Overflow Vulnerability
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.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
critical
CVSS 8.8 · CVSS_V3
Affected packages
3
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Product
- Chromium WebP
- Date added
- Sep 13, 2023
- CISA federal remediation due date
- Oct 4, 2023
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Known ransomware campaign use
- Unknown
- CWE
- CWE-787
OSV package mapping
Affected open-source packages
| Package | Ecosystem | Fixed versions |
|---|---|---|
| electron | npm | 22.3.24, 24.8.3, 25.8.1, 26.2.1, 27.0.0-beta.2 |
| github.com/chai2010/webp | go | 1.4.0, 0.0.0-20250406010349-76805d5a8860, 1.1.2-0.20250406010349-76805d5a8860 |
| pillow | pypi | 10.0.1 |