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redhatRedHatRHSA-2020:3996
HistorySep 29, 2020 - 7:49 a.m.

(RHSA-2020:3996) Moderate: libxml2 security and bug fix update

2020-09-2907:49:53
access.redhat.com
56

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

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.

OSVersionArchitecturePackageVersionFilename
RedHat7ppc64libxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.ppc64.rpm
RedHat7ppc64libxml2-static< 2.9.1-6.el7.5libxml2-static-2.9.1-6.el7.5.ppc64.rpm
RedHat7ppclibxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.ppc.rpm
RedHat7ppc64libxml2-devel< 2.9.1-6.el7.5libxml2-devel-2.9.1-6.el7.5.ppc64.rpm
RedHat7s390xlibxml2-python< 2.9.1-6.el7.5libxml2-python-2.9.1-6.el7.5.s390x.rpm
RedHat7ppc64lelibxml2-devel< 2.9.1-6.el7.5libxml2-devel-2.9.1-6.el7.5.ppc64le.rpm
RedHat7s390libxml2-debuginfo< 2.9.1-6.el7.5libxml2-debuginfo-2.9.1-6.el7.5.s390.rpm
RedHat7s390xlibxml2-static< 2.9.1-6.el7.5libxml2-static-2.9.1-6.el7.5.s390x.rpm
RedHat7ppc64libxml2-python< 2.9.1-6.el7.5libxml2-python-2.9.1-6.el7.5.ppc64.rpm
RedHat7ppc64lelibxml2< 2.9.1-6.el7.5libxml2-2.9.1-6.el7.5.ppc64le.rpm
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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
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