Memory leak in Libxml2 - CVE-2026-1757

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Main Vulnerability Database Vulnerabilities #VU123115

Memory leak in Libxml2 - CVE-2026-1757

Published: February 20, 2026


Vulnerability identifier: #VU123115
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/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-2026-1757
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
Libxml2

Detailed vulnerability description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the interactive shell of the xmllint utility when handling whitespaces. A remote attacker can force the application to leak memory and perform denial of service attack.


How to mitigate CVE-2026-1757

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

Sources