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centosCentOS ProjectCESA-2020:3996
HistoryOct 20, 2020 - 6:27 p.m.

libxml2 security update

2020-10-2018:27:26
CentOS Project
lists.centos.org
281

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%

JSON

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

OSVersionArchitecturePackageVersionFilename
CentOS7i686libxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.i686.rpm
CentOS7x86_64libxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.x86_64.rpm
CentOS7i686libxml2-devel< 2.9.1-6.el7.5libxml2-devel-2.9.1-6.el7.5.i686.rpm
CentOS7x86_64libxml2-devel< 2.9.1-6.el7.5libxml2-devel-2.9.1-6.el7.5.x86_64.rpm
CentOS7x86_64libxml2-python< 2.9.1-6.el7.5libxml2-python-2.9.1-6.el7.5.x86_64.rpm
CentOS7i686libxml2-static< 2.9.1-6.el7.5libxml2-static-2.9.1-6.el7.5.i686.rpm
CentOS7x86_64libxml2-static< 2.9.1-6.el7.5libxml2-static-2.9.1-6.el7.5.x86_64.rpm
CentOS7i686libxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.i686.rpm
CentOS7x86_64libxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.x86_64.rpm
CentOS7i686libxml2-devel< 2.9.1-6.el7.5libxml2-devel-2.9.1-6.el7.5.i686.rpm
Rows per page:
1-10 of 141

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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%

JSON
Related for CESA-2020:3996
nessus52fedora5redhat22openvas31amazon2ibm9oraclelinux2suse2almalinux1gentoo1mageia3ics2ubuntu2cloudfoundry2photon12archlinux1altlinux2freebsd2debian2osv8veracode3cvelist3alpinelinux3cve3prion3redhatcve3cbl_mariner2nvd3ubuntucve3debiancve3github2f51rubygems1cloudlinux2tenable1