#VU122662 Stack-based buffer overflow in libsoup - CVE-2026-1761
Published: February 11, 2026
Vulnerability identifier: #VU122662
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2026-1761
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libsoup
libsoup
Software vendor:
Gnome Development Team
Gnome Development Team
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the soup_filter_input_stream_read_until() function when parsing multipart/form-data response. A remote attacker can send specially crafted data to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.