Live › vulnerability › CVE-2023-4863
Go to dashboardA heap-based buffer overflow in the WebP image decoder used by Google Chromium lets a remote attacker write out of bounds in memory using a crafted HTML page. Applications that use the WebP codec are also affected, and CISA reports it is being exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Google Chromium WebP | vendor | – | – |
| google chrome | vendor | < 116.0.5845.187 | 116.0.5845.187 |
| fedoraproject fedora | vendor | = 37 | – |
| fedoraproject fedora | vendor | = 38 | – |
| fedoraproject fedora | vendor | = 39 | – |
| debian linux | vendor | = 10.0 | – |
| debian linux | vendor | = 11.0 | – |
| debian linux | vendor | = 12.0 | – |
| mozilla firefox | vendor | < 102.15.1 | 102.15.1 |
| mozilla firefox | vendor | < 117.0.1 | 117.0.1 |
| mozilla firefox | vendor | >= 115.1.0, < 115.2.1 | 115.2.1 |
| mozilla thunderbird | vendor | < 102.15.1 | 102.15.1 |
| mozilla thunderbird | vendor | >= 115.0, < 115.2.2 | 115.2.2 |
| microsoft edge chromium | vendor | < 116.0.1938.81 | 116.0.1938.81 |
| microsoft teams | vendor | < 1.6.00.26463 | 1.6.00.26463 |
| microsoft teams | vendor | < 1.6.00.26474 | 1.6.00.26474 |
| microsoft webp image extension | vendor | < 1.0.62681.0 | 1.0.62681.0 |
| webmproject libwebp | vendor | < 1.3.2 | 1.3.2 |
| netapp active iq unified manager | vendor | – | – |
| bentley seequent leapfrog | vendor | < 2023.2 | 2023.2 |
| bandisoft honeyview | vendor | < 5.51 | 5.51 |
Unknown from the sources.
Apply the vendor mitigation or update Chromium-based browsers and WebP-linked applications to a patched release; CISA says to discontinue use of the product if mitigations are unavailable.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2023-4863")
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