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TI-2023-30808 Aliases GHSA-j646-gj5p-p45g

CefSharp affected by heap buffer overflow in WebP

Priority LOW 38Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
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Impact type
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Confidentiality · integrity · availability
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Fix status
Fixed

No CVSS vector from any source. Fix status from GitHub.

Summary

**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

Why it matters now

Fix Fixed CefSharp.Common (NuGet): 116.0.230CefSharp.Common.NETCore (NuGet): 116.0.230

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—CefSharp.Common (NuGet)before 116.0.230116.0.230Patch availableGHSA-j646-gj5p-p45g
—CefSharp.Common.NETCore (NuGet)before 116.0.230116.0.230Patch availableGHSA-j646-gj5p-p45g
  • CefSharp.Common (NuGet) Vendor— Affected before 116.0.230 Fixed in 116.0.230 Patch available GHSA-j646-gj5p-p45g
  • CefSharp.Common.NETCore (NuGet) Vendor— Affected before 116.0.230 Fixed in 116.0.230 Patch available GHSA-j646-gj5p-p45g

Remediation

  • Fix · GHSA-j646-gj5p-p45g CefSharp.Common (NuGet) Fixed in 116.0.230 Advisory →
  • Fix · GHSA-j646-gj5p-p45g CefSharp.Common.NETCore (NuGet) Fixed in 116.0.230 Advisory →

Timeline

  1. 2026-10-03 Threatist record created from GHSA-j646-gj5p-p45g

References

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences