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centosCentOS ProjectCESA-2020:3952
HistoryOct 20, 2020 - 5:58 p.m.

expat security update

2020-10-2017:58:03
CentOS Project
lists.centos.org
366

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

0.582 Medium

EPSS

Percentile

97.8%

JSON

CentOS Errata and Security Advisory CESA-2020:3952

Expat is a C library for parsing XML documents.

Security Fix(es):

  • expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)

  • expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)

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-cr-announce/2020-October/032764.html

Affected packages:
expat
expat-devel
expat-static

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:3952

Related

nessus 65
gentoo 1
ubuntu 6
openvas 39
almalinux 2
osv 9
amazon 3
redhat 5
oraclelinux 2
rocky 2
ibm 18
altlinux 1
cve 2
veracode 2
debian 6
fedora 5
redhatcve 2
cbl_mariner 2
f5 3
mageia 2
cvelist 2
nvd 2
debiancve 2
ubuntucve 2
alpinelinux 2
cloudfoundry 2
suse 3
prion 2
freebsd 1
symantec 1
slackware 2
photon 1
nessus
nessus
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2021-01-12 22:51:00
Medium: expat
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Medium: expat
2020-12-16 20:31:00
redhat
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(RHSA-2020:3952) Moderate: expat security update
2020-09-29 07:46:19
(RHSA-2020:4484) Moderate: expat security update
2020-11-03 12:09:00
(RHSA-2020:4846) Moderate: mingw-expat security update
2020-11-03 12:41:03
oraclelinux
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expat security update
2020-11-10 00:00:00
expat security update
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rocky
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mingw-expat security update
2020-11-03 00:00:00
ibm
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2021-03-03 16:02:39
Security Bulletin: IBM Bootable Media Creator (BoMC) is affected by vulnerabilities in libexpat
2021-06-21 20:26:43
Security Bulletin: A security vulnerability has been identified in IBM HTTP Server, a component of IBM WebSphere Application Server, which is shipped with, or a required product for, IBM Tivoli Netcool Configuration Manager (CVE-2018-20843)
2020-03-25 11:34:06
altlinux
altlinux
Security fix for the ALT Linux 9 package expat version 2.2.9-alt1
2020-05-31 00:00:00
cve
cve
CVE-2018-20843
2019-06-24 17:15:09
CVE-2019-15903
2019-09-04 06:15:10
veracode
veracode
Denial Of Service (DoS)
2019-07-01 08:36:31
Denial Of Service (Dos)
2019-09-05 06:48:20
debian
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2019-09-25 01:08:45
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2020-04-04 05:18:28
CVE-2019-15903
2019-12-28 03:54:22
cbl_mariner
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2020-09-09 06:09:14
CVE-2019-15903 affecting package expat 2.2.6-4
2022-01-10 03:59:19
f5
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2019-09-04 06:15:00
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2019-09-04 00:00:00
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2019-08-02 00:00:00

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

0.582 Medium

EPSS

Percentile

97.8%

JSON
Related for CESA-2020:3952
nessus65gentoo1ubuntu6openvas39almalinux2osv9amazon3redhat5oraclelinux2rocky2ibm18altlinux1cve2veracode2debian6fedora5redhatcve2cbl_mariner2f53mageia2cvelist2nvd2debiancve2ubuntucve2alpinelinux2cloudfoundry2suse3prion2freebsd1symantec1slackware2photon1