CVE-2019-19956

HIGH

libxml2 < 2.9.10 - Memory Leak in xmlParseBalancedChunkMemoryRecover

Title source: llm

STIX 2.1

Description

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

References (12)

Core 12

Core References

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2019/12/msg00032.html

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/

Broken Link vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html

Broken Link vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00005.html

Third Party Advisory x_refsource_misc

https://www.oracle.com/security-alerts/cpujul2020.html

Patch, Third Party Advisory x_refsource_misc

https://gitlab.gnome.org/GNOME/libxml2/commit/5a02583c7e683896d84878bd90641d8d9b0d0549

Third Party Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20200114-0002/

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html

Third Party Advisory x_refsource_confirm

https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf

Third Party Advisory, US Government Resource x_refsource_confirm

https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08

Third Party Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/4274-1/

Scores

CVSS v3 7.5

EPSS 0.0567

EPSS Percentile 92.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-772 CWE-401

Status published

Products (18)

canonical/ubuntu_linux 12.04

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 18.04

canonical/ubuntu_linux 19.10

debian/debian_linux 8.0

debian/debian_linux 9.0

fedoraproject/fedora 30

fedoraproject/fedora 32

netapp/active_iq_unified_manager

... and 8 more

Published Dec 24, 2019

Tracked Since Feb 18, 2026