CVE-2019-19956

high

Description

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

References

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

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

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

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/

https://lists.fedoraproject.org/archives/list/[email protected]/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/

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

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

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

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

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

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

Details

Source: MITRE

Published: 2019-12-24

Updated: 2021-07-21

Type: CWE-772

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH