CVE-2019-20388

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

CVE

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

HIGH · CVSS 7.5 EPSS 0.00614

Schedule remediation

SSVC automatable: yes - attacks can be scripted at scale
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime

▤

Affected Products & Versions

xmlsoft libxml2all versions
debian linuxall versions
netapp cloud backupall versions
netapp clustered data ontapall versions
netapp ontap select deploy administration utilityall versions
netapp plug-in for symantec netbackupall versions
netapp smi-s providerall versions
netapp snapdriveall versions
Show all 24 affected productsnetapp steelstore cloud integrated storageall versions
netapp h300s firmwareall versions
netapp h500s firmwareall versions
netapp h700s firmwareall versions
netapp h300e firmwareall versions
netapp h500e firmwareall versions
netapp h700e firmwareall versions
netapp h410s firmwareall versions
oracle communications cloud native core network function cloud native environmentall versions
oracle enterprise manager base platformall versions
oracle enterprise manager ops centerall versions
oracle mysql workbench<= 8.0.26
oracle peoplesoft enterprise peopletoolsall versions
oracle real user experience insightall versions
opensuse leapall versions
fedoraproject fedoraall versions

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD21 Jan 2020 · 11:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

yes

Technical impact

partial

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2026:10356-1
suse-csafopenSUSE-SU-2025:14697-1
suse-csafopenSUSE-SU-2024:14174-1
suse-csafopenSUSE-SU-2024:11016-1
suse-csafopenSUSE-SU-2024:11340-1
Show all 21 vendor advisoriessuse-csafopenSUSE-SU-2024:11912-1
suse-csafopenSUSE-SU-2024:13165-1
siemens-csafSSA-398330
usnUSN-4991-1
suse-csafSUSE-SU-2021:14729-1
rhsaRHSA-2021:0949Important
suse-csafSUSE-SU-2020:2609-1
msrcCVE-2019-20388
rhsaRHSA-2020:2646Important
rhsaRHSA-2020:2644Important
suse-csafopenSUSE-SU-2020:0681-1
suse-csafSUSE-SU-2020:1299-1
rhsaRHSA-2020:3996Moderate
rhsaRHSA-2020:4479Moderate
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-336-06
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-348-10

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.htmlMailing ListThird Party Advisory

https://gitlab.gnome.org/GNOME/libxml2/merge_requests/68PatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlMailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULL/

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

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

Show all 12 references

https://security.gentoo.org/glsa/202010-04Third Party Advisory

https://security.netapp.com/advisory/ntap-20200702-0005/Third Party Advisory

https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory

https://www.oracle.com/security-alerts/cpujul2020.htmlPatchThird Party Advisory

https://www.oracle.com/security-alerts/cpujul2022.html

https://www.oracle.com/security-alerts/cpuoct2021.htmlPatchThird Party Advisory

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