GitHub Advisoryadvisory · NuGet
GHSA-j646-gj5p-p45g CefSharp affected by heap buffer overflow in WebP
CRITICAL
Official page ↗
- Ecosystem
- NuGet
- Packages
- CefSharp.Common, CefSharp.Common.NETCore
- Severity
- Critical
- Reviewed
- 2023-09-21
Affected packages
• NuGet CefSharp.Common: < 116.0.230 → fixed in 116.0.230
• NuGet CefSharp.Common.NETCore: < 116.0.230 → fixed in 116.0.230
Description
Google is aware that an exploit for 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) 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