GHSA-j646-gj5p-p45g
CefSharp affected by heap buffer overflow in WebP
Quick fix
GHSA-j646-gj5p-p45g — CefSharp.Common: upgrade to the fixed version with the command below.
dotnet add package CefSharp.Common --version 116.0.230Details
**Google is aware that an exploit for [CVE-2023-4863](https://www.cve.org/CVERecord?id=CVE-2023-4863) exists in the wild.**
### Description
Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
### References
- https://www.cve.org/CVERecord?id=CVE-2023-4863 - https://nvd.nist.gov/vuln/detail/CVE-2023-4863 - https://www.techtarget.com/searchsecurity/news/366551978/Browser-companies-patch-critical-zero-day-vulnerability
--- **Updated**
There is another related security vulnerability.
> There's another related CVE ([CVE-2023-5217](https://nvd.nist.gov/vuln/detail/CVE-2023-5217)) that is fixed in Chromium 117.0.5938.132. This one is triggered by WebCodecs API encoder usage, so a workaround for older versions is to disable the WebCodecs API (`--disable-blink-features=WebCodecs`).
As per https://magpcss.org/ceforum/viewtopic.php?f=6&t=19551#p54150
Are you affected?
Enter the version of the package you're using.
Affected packages
0Fixed in: 116.0.230dotnet add package CefSharp.Common --version 116.0.2300Fixed in: 116.0.230dotnet add package CefSharp.Common.NETCore --version 116.0.230