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CVE-2019-19956

Good to know:

Date: December 24, 2019

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

Language: C

Severity Score

7.5

Related Resources (20)

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

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

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

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-19956

Url: https://security-tracker.debian.org/tracker/CVE-2019-19956

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

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

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/

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

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

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19956

Url: https://security.alpinelinux.org/vuln/CVE-2019-19956

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

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/

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

Url: https://access.redhat.com/security/cve/CVE-2019-19956

Url: https://www.mend.io/vulnerability-database/CVE-2019-19956

Severity Score

7.5

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Missing Release of Resource after Effective Lifetime

CWE-772

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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