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Incorrect handle provided in unspecified circumstances in Mojo on Windows

High
amaitland published GHSA-f87w-3j5w-v58p Apr 11, 2025

Package

nuget CefSharp.OffScreen (NuGet)

Affected versions

< 134.3.60

Patched versions

134.3.90
nuget CefSharp.OffScreen.NetCore (NuGet)
< 134.3.60
134.3.90
nuget CefSharp.WinForms (NuGet)
< 134.3.60
134.3.90
nuget CefSharp.WinForms.NetCore (NuGet)
< 134.3.60
134.3.90
nuget CefSharp.Wpf (NuGet)
< 134.3.60
134.3.90
nuget CefSharp.Wpf.HwndHost (NuGet)
< 134.3.60
134.3.90
nuget CefSharp.Wpf.NetCore (NuGet)
< 134.3.60
134.3.90

Description

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

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CVE ID

CVE-2025-2783

Weaknesses

No CWEs