CVE-2019-19956: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 5.6% chance of exploitation in the next 30 days.

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 19.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Fedoraproject Fedora: version 30 only; version 32 only
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Clustered Data Ontap: affected versions not specified
• Netapp Clustered Data Ontap Antivirus Connector: affected versions not specified
• Netapp Manageability Software Development Kit: affected versions not specified
• Netapp Ontap Select Deploy Administration Utility: affected versions not specified
• Netapp Steelstore Cloud Integrated Storage: affected versions not specified
• Oracle Real User Experience Insight: version 13.3.1.0 only
• Siemens Sinema Remote Connect Server: before 3.0 (fixed in 3.0)
• Xmlsoft LIBXML2: before 2.9.10 (fixed in 2.9.10)

Published 2019-12-24. Last modified 2026-06-17.