SB2026021351 - Fedora 43 update for mingw-libsoup
Published: February 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Buffer access with incorrect length value (CVE-ID: CVE-2026-0716)
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.
2) Stack-based buffer overflow (CVE-ID: CVE-2026-0719)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the md4sum() function of libsoup’s NTLM authentication module (SoupAuthNTLM) when handling NTLM authentication requests. A remote attacker can send specially crafted input to the application, trigger 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
Install update from vendor's website.