5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.009 Low
EPSS
Percentile
82.5%
CentOS Errata and Security Advisory CESA-2020:3996
The libxml2 library is a development toolbox providing the implementation of various XML standards.
Security Fix(es):
libxml2: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c (CVE-2019-19956)
libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388)
libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-November/086168.html
https://lists.centos.org/pipermail/centos-cr-announce/2020-October/032837.html
Affected packages:
libxml2
libxml2-devel
libxml2-python
libxml2-static
Upstream details at:
https://access.redhat.com/errata/RHSA-2020:3996
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | i686 | libxml2 | < 2.9.1-6.el7.5 | libxml2-2.9.1-6.el7.5.i686.rpm |
CentOS | 7 | x86_64 | libxml2 | < 2.9.1-6.el7.5 | libxml2-2.9.1-6.el7.5.x86_64.rpm |
CentOS | 7 | i686 | libxml2-devel | < 2.9.1-6.el7.5 | libxml2-devel-2.9.1-6.el7.5.i686.rpm |
CentOS | 7 | x86_64 | libxml2-devel | < 2.9.1-6.el7.5 | libxml2-devel-2.9.1-6.el7.5.x86_64.rpm |
CentOS | 7 | x86_64 | libxml2-python | < 2.9.1-6.el7.5 | libxml2-python-2.9.1-6.el7.5.x86_64.rpm |
CentOS | 7 | i686 | libxml2-static | < 2.9.1-6.el7.5 | libxml2-static-2.9.1-6.el7.5.i686.rpm |
CentOS | 7 | x86_64 | libxml2-static | < 2.9.1-6.el7.5 | libxml2-static-2.9.1-6.el7.5.x86_64.rpm |
CentOS | 7 | i686 | libxml2 | < 2.9.1-6.el7.5 | libxml2-2.9.1-6.el7.5.i686.rpm |
CentOS | 7 | x86_64 | libxml2 | < 2.9.1-6.el7.5 | libxml2-2.9.1-6.el7.5.x86_64.rpm |
CentOS | 7 | i686 | libxml2-devel | < 2.9.1-6.el7.5 | libxml2-devel-2.9.1-6.el7.5.i686.rpm |
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.009 Low
EPSS
Percentile
82.5%