CVE-2019-20388

HIGH

libxml2 2.9.10 - Use-After-Free in xmlSchemaPreRun

Title source: llm
STIX 2.1

Description

xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.

References (12)

Core 12
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html
Patch, 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/merge_requests/68
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200702-0005/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202010-04
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2021.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html

Scores

CVSS v3 7.5
EPSS 0.0061
EPSS Percentile 70.1%
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-401
Status published
Products (29)
debian/debian_linux 9.0
fedoraproject/fedora 30
fedoraproject/fedora 31
fedoraproject/fedora 32
netapp/cloud_backup
netapp/clustered_data_ontap
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410s_firmware
netapp/h500e_firmware
... and 19 more
Published Jan 21, 2020
Tracked Since Feb 18, 2026