Two vulnerabilities in WebKitGTK+ and WPE WebKit



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2025-43376
CVE-2025-43419
CWE-ID CWE-200
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WebKitGTK+
Server applications / Frameworks for developing and running applications

WPE WebKit
Server applications / Frameworks for developing and running applications

Vendor WebKitGTK

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU118081

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-43376

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a logic issue in WebKit. A remote attacker can view leaked DNS queries with Private Relay turned on.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: All versions

WPE WebKit: All versions

CPE2.3 External links

https://support.apple.com/en-us/125110


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU118080

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-43419

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: All versions

WPE WebKit: All versions

CPE2.3 External links

https://support.apple.com/en-us/125110


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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