Search for vulnerabilities
| Vulnerability ID | VCID-v6vr-5eq9-w7ch |
| Aliases |
GHSA-j646-gj5p-p45g
GMS-2023-2464 GMS-2023-2465 |
| Summary | CefSharp affected by heap buffer overflow in WebP **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 |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 9.0 |
| Risk | 4.5 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1_qr | CRITICAL | https://github.com/advisories/GHSA-j646-gj5p-p45g |
| generic_textual | CRITICAL | https://github.com/cefsharp/CefSharp |
| generic_textual | CRITICAL | https://github.com/cefsharp/CefSharp/commit/f2890ba66170afb0bf742839febe4d20449f758c |
| generic_textual | CRITICAL | https://github.com/cefsharp/CefSharp/releases/tag/v116.0.230 |
| cvssv3.1_qr | CRITICAL | https://github.com/cefsharp/CefSharp/security/advisories/GHSA-j646-gj5p-p45g |
| generic_textual | CRITICAL | https://github.com/cefsharp/CefSharp/security/advisories/GHSA-j646-gj5p-p45g |
No EPSS data available for this vulnerability.
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2025-07-31T08:41:18.510903+00:00 | GithubOSV Importer | Import | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/09/GHSA-j646-gj5p-p45g/GHSA-j646-gj5p-p45g.json | 37.0.0 |