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Misconfiguration
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CVE Vulnerabilities

CVE-2020-7595

Loop with Unreachable Exit Condition ('Infinite Loop')

Published: Jan 21, 2020 | Modified: Dec 03, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-7595
CWEhttps://cwe.mitre.org/data/definitions/835.html

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

Weakness

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Software

NameVendorStart VersionEnd Version
Libxml2Xmlsoft2.9.10 (including)2.9.10 (including)
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-curl-0:7.64.1-36.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-httpd-0:2.4.37-57.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-mod_cluster-native-0:1.3.14-4.Final_redhat_2.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-mod_http2-0:1.15.7-3.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-mod_jk-0:1.2.48-4.redhat_1.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-mod_md-1:2.0.8-24.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-mod_security-0:2.9.2-51.GA.jbcs.el6*
JBoss Core Services on RHEL 6RedHatjbcs-httpd24-nghttp2-0:1.39.2-25.jbcs.el6*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-curl-0:7.64.1-36.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-httpd-0:2.4.37-57.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_cluster-native-0:1.3.14-4.Final_redhat_2.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_http2-0:1.15.7-3.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_jk-0:1.2.48-4.redhat_1.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_md-1:2.0.8-24.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_security-0:2.9.2-51.GA.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-nghttp2-0:1.39.2-25.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-openssl-pkcs11-0:0.4.10-7.jbcs.el7*
Red Hat Enterprise Linux 7RedHatlibxml2-0:2.9.1-6.el7.5*
Red Hat Enterprise Linux 8RedHatlibxml2-0:2.9.7-8.el8*
Red Hat Enterprise Linux 8RedHatlibxml2-0:2.9.7-8.el8*
Red Hat OpenShift DoRedHatopenshiftdo/odo-init-image-rhel7:1.1.3-2*
Text-Only JBCSRedHatlibxml2*
Libxml2Ubuntubionic*
Libxml2Ubuntueoan*
Libxml2Ubuntuesm-infra-legacy/trusty*
Libxml2Ubuntuesm-infra/bionic*
Libxml2Ubuntuesm-infra/xenial*
Libxml2Ubuntutrusty*
Libxml2Ubuntutrusty/esm*
Libxml2Ubuntuupstream*
Libxml2Ubuntuxenial*

References

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