CVE-2019-19956

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Summary

CVECVE-2019-19956
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-12-24 16:15:11 UTC
Updated2026-10-14 08:17:00 UTC
DescriptionxmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-401 | CWE-772 | n/a | CWE-772 CWE-772 Missing Release of Resource after Effective Lifetime

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 19.10 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 32 All All All
Application Netapp Active Iq Unified Manager - All All All
Application Netapp Clustered Data Ontap - All All All
Application Netapp Clustered Data Ontap Antivirus Connector - All All All
Application Netapp Manageability Software Development Kit - All All All
Application Netapp Ontap Select Deploy Administration Utility - All All All
Application Netapp Steelstore Cloud Integrated Storage - All All All
Application Oracle Real User Experience Insight 13.3.1.0 All All All
Application Siemens Sinema Remote Connect Server All All All All
Application Xmlsoft Libxml2 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
CVE-2019-19956 Libxml2 Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-292794.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] Fedora 30 Update: libxml2-2.9.10-3.fc30 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[security-announce] openSUSE-SU-2020:0681-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Broken Link
[security-announce] openSUSE-SU-2020:0781-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Broken Link
[SECURITY] [DLA 2048-1] libxml2 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-1.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Fix memory leak in xmlParseBalancedChunkMemoryRecover (5a02583c) · Commits · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Patch, Third Party Advisory
Siemens SINEMA Remote Connect Server | CISA af854a3a-2127-422b-91ae-364da2661108 us-cert.cisa.gov Third Party Advisory, US Government Resource
cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Third Party Advisory
[SECURITY] [DLA 2369-1] libxml2 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
USN-4274-1: libxml2 vulnerabilities | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
Oracle Critical Patch Update Advisory - July 2020 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
[SECURITY] Fedora 30 Update: libxml2-2.9.10-3.fc30 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-1.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296075 Oracle Solaris 11.4 Support Repository Update (SRU) 21.69.0 Missing (CPUAPR2020)
  • 377365 Alibaba Cloud Linux Security Update for libxml2 (ALINUX3-SA-2022:0018)
  • 377454 Alibaba Cloud Linux Security Update for libxml2 (ALINUX2-SA-2020:0149)
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 730031 IBM MQ Appliance Multiple Vulnerabilities(6403297)
  • 770068 Red Hat OpenShift Container Platform 4.6 Security Update (RHSA-2021:0436)
  • 940076 AlmaLinux Security Update for libxml2 (ALSA-2020:4479)

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