What’s Vulnerable › Vulnerabilities
CVE-2020-7595: libxml as used in Nokogiri has an infinite loop in a certain end-of-file situation
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 7.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-01-21 · updated 2026-10-14
- Weakness: CWE-835
Description
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
Affected products
- Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.10
- Debian Linux: 9.0
- Fedoraproject Fedora: 30, 31, 32
- Clustered Data ONTAP: all versions
- NetApp H300E Firmware: all versions
- NetApp H300S Firmware: all versions
- NetApp H410C Firmware: all versions
- NetApp H410S Firmware: all versions
- NetApp H500E Firmware: all versions
- NetApp H500S Firmware: all versions
- NetApp H700E Firmware: all versions
- NetApp H700S Firmware: all versions
- NetApp Smi-S Provider: all versions
- NetApp Snapdrive: all versions
- NetApp Steelstore Cloud Integrated Storage: all versions
- NetApp Symantec Netbackup: all versions
- Oracle Communications Cloud Native Core Network Function Cloud Native Environment: 1.10.0
- Oracle Corporation Enterprise Manager Base Platform: 13.4.0.0, 13.5.0.0
- Oracle Corporation Enterprise Manager Ops Center: 12.4.0.0
- Oracle Corporation MySQL Workbench: through 8.0.26
- Oracle Corporation PeopleSoft Enterprise PT PeopleTools: 8.58
- Oracle Real User Experience Insight: 13.3.1.0, 13.4.1.0, 13.5.1.0
- Siemens SINEMA Remote Connect Server: before 3.0 — fixed in 3.0
- xmlsoft libxml2: 2.9.10
- Rubygems Nokogiri: before 1.10.8; 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+111) — fixed in 1.10.8
How to fix
Upgrade to a fixed version: Siemens SINEMA Remote Connect Server 3.0; Rubygems Nokogiri 1.10.8. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf
- https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076
- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
- 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/
- https://security.gentoo.org/glsa/202010-04
- https://security.netapp.com/advisory/ntap-20200702-0005/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08
- https://usn.ubuntu.com/4274-1/
- https://www.oracle.com/security-alerts/cpuapr2022.html
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