High 7.5Published Jan 21, 2020

CVE-2020-7595xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

Updated under an hour ago (2026-10-19 10:10 UTC)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 26 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-835
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
xmlsoft libxml2 xmlsoft:libxml2	2.9.10	NVD
fedoraproject fedora fedoraproject:fedora	30; 31; 32	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04; 18.04; 19.10	NVD
debian debian_linux debian:debian_linux	9.0	NVD
siemens sinema_remote_connect_server siemens:sinema_remote_connect_server	before 3.0	NVD
netapp clustered_data_ontap netapp:clustered_data_ontap	all versions	NVD
netapp smi-s_provider netapp:smi-s_provider	all versions	NVD
netapp snapdrive netapp:snapdrive	all versions	NVD
netapp steelstore_cloud_integrated_storage netapp:steelstore_cloud_integrated_storage	all versions	NVD
netapp symantec_netbackup netapp:symantec_netbackup	all versions	NVD
netapp h300s_firmware netapp:h300s_firmware	all versions	NVD
netapp h500s_firmware netapp:h500s_firmware	all versions	NVD
netapp h700s_firmware netapp:h700s_firmware	all versions	NVD
netapp h300e_firmware netapp:h300e_firmware	all versions	NVD
netapp h500e_firmware netapp:h500e_firmware	all versions	NVD
netapp h700e_firmware netapp:h700e_firmware	all versions	NVD
netapp h410s_firmware netapp:h410s_firmware	all versions	NVD
netapp h410c_firmware netapp:h410c_firmware	all versions	NVD
oracle real_user_experience_insight oracle:real_user_experience_insight	13.3.1.0; 13.4.1.0; 13.5.1.0	NVD
oracle communications_cloud_native_core_network_function_cloud_native_environment oracle:communications_cloud_native_core_network_function_cloud_native_environment	1.10.0	NVD
oracle enterprise_manager_base_platform oracle:enterprise_manager_base_platform	13.4.0.0; 13.5.0.0	NVD
oracle enterprise_manager_ops_center oracle:enterprise_manager_ops_center	12.4.0.0	NVD
oracle mysql_workbench oracle:mysql_workbench	through 8.0.26	NVD
oracle peoplesoft_enterprise_peopletools oracle:peoplesoft_enterprise_peopletools	8.58	NVD

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULL/vendor-advisory, x-refsource-fedora
https://usn.ubuntu.com/4274-1/vendor-advisory, x-refsource-ubuntu, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/vendor-advisory, x-refsource-fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/vendor-advisory, x-refsource-fedora
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.htmlvendor-advisory, x-refsource-suse, broken-link
https://www.oracle.com/security-alerts/cpujul2020.htmlx-refsource-misc, third-party-advisory
https://security.netapp.com/advisory/ntap-20200702-0005/x-refsource-confirm, third-party-advisory
https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076x-refsource-misc, patch, third-party-advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlmailing-list, x-refsource-mlist, third-party-advisory
https://security.gentoo.org/glsa/202010-04vendor-advisory, x-refsource-gentoo, third-party-advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlx-refsource-misc, patch, third-party-advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdfx-refsource-confirm, third-party-advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08x-refsource-confirm, third-party-advisory, us-government-resource
https://www.oracle.com/security-alerts/cpuapr2022.htmlx-refsource-misc, patch, third-party-advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlx-refsource-misc
https://cert-portal.siemens.com/productcert/html/ssa-292794.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.