Buffer access with incorrect length value in libsoup - CVE-2026-0716
Published: February 13, 2026
Vulnerability identifier: #VU122821
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-0716
CWE-ID: CWE-805
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
libsoup
libsoup
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in process_frame() function when handling WebSocket frames if a non-default configuration is used where the maximum incoming payload size is unset. A remote attacker can send specially crafted data to the application and execute arbitrary code on the system.
How to mitigate CVE-2026-0716
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.