SB2026022038 - Memory leak in libxml2 xmllint
Published: February 20, 2026
Security Bulletin ID
SB2026022038
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2026-1757)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 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
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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.