Red Hat Enterprise Linux 8 update for firefox

Published: 2025-06-04

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-31205 CVE-2025-31257
CWE-ID	CWE-200 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	webkit2gtk3 (Red Hat package) Operating systems & Components / Operating system package or component
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU108960

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-2025-31205

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 excessive data output in WebKit engine. A remote attacker can trick the victim into visiting a specially crafted website and exfiltrate data cross-origin.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

webkit2gtk3 (Red Hat package): before 2.48.2-1.el8_8

CPE2.3

cpe:2.3:a:red_hat:webkit2gtk3_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2025:8532

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) Memory corruption

EUVDB-ID: #VU108955

Risk: Low

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

CVE-ID: CVE-2025-31257

CWE-ID: CWE-119 - Memory corruption