CefSharp affected by incorrect handle provided in unspecified circumstances in Mojo on Windows

published 2025-04-12 last yr. modified 2025-04-12 last yr.

cvss: 8.3; version 3.1, GitHub
cisa kev: Not listed; not in CISA's catalog
epss: —; no score, EPSS covers CVEs only
public exploits: 0; none known

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)

https://nvd.nist.gov/vuln/detail/CVE-2025-2783 https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.html https://issues.chromium.org/issues/405143032

Patch / fix

fixed in 7 links 1

nuget CefSharp.Wpf 134.3.90
nuget CefSharp.Wpf.HwndHost 134.3.90
nuget CefSharp.Wpf.NetCore 134.3.90
nuget CefSharp.WinForms 134.3.90
nuget CefSharp.WinForms.NetCore 134.3.90
nuget CefSharp.OffScreen.NetCore 134.3.90
nuget CefSharp.OffScreen 134.3.90

github.com/cefsharp/CefSharp/releases/tag/v134.3.90 release

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CVSS scores

assigned by	version	score	vector
GitHub	3.1	8.3	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
nuget	CefSharp.Wpf	<134.3.90	134.3.90
nuget	CefSharp.Wpf.HwndHost	<134.3.90	134.3.90
nuget	CefSharp.Wpf.NetCore	<134.3.90	134.3.90
nuget	CefSharp.WinForms	<134.3.90	134.3.90
nuget	CefSharp.WinForms.NetCore	<134.3.90	134.3.90
nuget	CefSharp.OffScreen.NetCore	<134.3.90	134.3.90
nuget	CefSharp.OffScreen	<134.3.90	134.3.90

References

Sources

GitHub Advisory GHSA-f87w-3j5w-v58p

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.