Integer overflow in libsoup - CVE-2025-4945

 

Integer overflow in libsoup - CVE-2025-4945

Published: May 29, 2025


Vulnerability identifier: #VU109946
CSH Severity: High
CVSS v4.0: 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-2025-4945
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
libsoup

Detailed vulnerability description

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

The vulnerability exists due to integer overflow when handling cookies. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.


How to mitigate CVE-2025-4945

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources