CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2018-20843

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

Exploit prediction scoring system (EPSS) score

EPSS Score 0.008

EPSS Ranking 72.5%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 7.8

References

Products affected by CVE-2018-20843

Libexpat Project » Libexpat » Version: N/A

cpe:2.3:a:libexpat_project:libexpat:-
Libexpat Project » Libexpat » Version: 1.95.0

cpe:2.3:a:libexpat_project:libexpat:1.95.0
Libexpat Project » Libexpat » Version: 1.95.1

cpe:2.3:a:libexpat_project:libexpat:1.95.1
Libexpat Project » Libexpat » Version: 1.95.2

cpe:2.3:a:libexpat_project:libexpat:1.95.2
Libexpat Project » Libexpat » Version: 1.95.3

cpe:2.3:a:libexpat_project:libexpat:1.95.3
Libexpat Project » Libexpat » Version: 1.95.4

cpe:2.3:a:libexpat_project:libexpat:1.95.4
Libexpat Project » Libexpat » Version: 1.95.5

cpe:2.3:a:libexpat_project:libexpat:1.95.5
Libexpat Project » Libexpat » Version: 1.95.6

cpe:2.3:a:libexpat_project:libexpat:1.95.6
Libexpat Project » Libexpat » Version: 1.95.7

cpe:2.3:a:libexpat_project:libexpat:1.95.7
Libexpat Project » Libexpat » Version: 1.95.8

cpe:2.3:a:libexpat_project:libexpat:1.95.8
Libexpat Project » Libexpat » Version: 2.0.0

cpe:2.3:a:libexpat_project:libexpat:2.0.0
Libexpat Project » Libexpat » Version: 2.0.1

cpe:2.3:a:libexpat_project:libexpat:2.0.1
Libexpat Project » Libexpat » Version: 2.1.0

cpe:2.3:a:libexpat_project:libexpat:2.1.0
Libexpat Project » Libexpat » Version: 2.1.1

cpe:2.3:a:libexpat_project:libexpat:2.1.1
Libexpat Project » Libexpat » Version: 2.2.0

cpe:2.3:a:libexpat_project:libexpat:2.2.0
Libexpat Project » Libexpat » Version: 2.2.1

cpe:2.3:a:libexpat_project:libexpat:2.2.1
Libexpat Project » Libexpat » Version: 2.2.2

cpe:2.3:a:libexpat_project:libexpat:2.2.2
Libexpat Project » Libexpat » Version: 2.2.3

cpe:2.3:a:libexpat_project:libexpat:2.2.3
Libexpat Project » Libexpat » Version: 2.2.4

cpe:2.3:a:libexpat_project:libexpat:2.2.4
Libexpat Project » Libexpat » Version: 2.2.5

cpe:2.3:a:libexpat_project:libexpat:2.2.5
Libexpat Project » Libexpat » Version: 2.2.6

cpe:2.3:a:libexpat_project:libexpat:2.2.6
Oracle » Hospitality Res 3700 » Version: 5.7

cpe:2.3:a:oracle:hospitality_res_3700:5.7
Oracle » Hospitality Res 3700 » Version: 5.7.6

cpe:2.3:a:oracle:hospitality_res_3700:5.7.6
Oracle » Http Server » Version: 12.1.3.0

cpe:2.3:a:oracle:http_server:12.1.3.0
Oracle » Http Server » Version: 12.2.1.4.0

cpe:2.3:a:oracle:http_server:12.2.1.4.0
Oracle » Outside In Technology » Version: 8.5.4

cpe:2.3:a:oracle:outside_in_technology:8.5.4
Oracle » Outside In Technology » Version: 8.5.5

cpe:2.3:a:oracle:outside_in_technology:8.5.5
Tenable » Nessus » Version: N/A

cpe:2.3:a:tenable:nessus:-
Tenable » Nessus » Version: 4.4.1.15078

cpe:2.3:a:tenable:nessus:4.4.1.15078
Tenable » Nessus » Version: 5.2.0

cpe:2.3:a:tenable:nessus:5.2.0
Tenable » Nessus » Version: 5.2.1

cpe:2.3:a:tenable:nessus:5.2.1
Tenable » Nessus » Version: 5.2.10

cpe:2.3:a:tenable:nessus:5.2.10
Tenable » Nessus » Version: 5.2.11

cpe:2.3:a:tenable:nessus:5.2.11
Tenable » Nessus » Version: 5.2.12

cpe:2.3:a:tenable:nessus:5.2.12
Tenable » Nessus » Version: 5.2.2

cpe:2.3:a:tenable:nessus:5.2.2
Tenable » Nessus » Version: 5.2.3

cpe:2.3:a:tenable:nessus:5.2.3
Tenable » Nessus » Version: 5.2.4

cpe:2.3:a:tenable:nessus:5.2.4
Tenable » Nessus » Version: 5.2.5

cpe:2.3:a:tenable:nessus:5.2.5
Tenable » Nessus » Version: 5.2.6

cpe:2.3:a:tenable:nessus:5.2.6
Tenable » Nessus » Version: 5.2.7

cpe:2.3:a:tenable:nessus:5.2.7
Tenable » Nessus » Version: 5.2.8

cpe:2.3:a:tenable:nessus:5.2.8
Tenable » Nessus » Version: 5.2.9

cpe:2.3:a:tenable:nessus:5.2.9
Tenable » Nessus » Version: 6.0.0

cpe:2.3:a:tenable:nessus:6.0.0
Tenable » Nessus » Version: 6.0.1

cpe:2.3:a:tenable:nessus:6.0.1
Tenable » Nessus » Version: 6.0.2

cpe:2.3:a:tenable:nessus:6.0.2
Tenable » Nessus » Version: 6.1.0

cpe:2.3:a:tenable:nessus:6.1.0
Tenable » Nessus » Version: 6.1.1

cpe:2.3:a:tenable:nessus:6.1.1
Tenable » Nessus » Version: 6.1.2

cpe:2.3:a:tenable:nessus:6.1.2
Tenable » Nessus » Version: 6.10.0

cpe:2.3:a:tenable:nessus:6.10.0
Tenable » Nessus » Version: 6.10.1

cpe:2.3:a:tenable:nessus:6.10.1
Tenable » Nessus » Version: 6.10.2

cpe:2.3:a:tenable:nessus:6.10.2
Tenable » Nessus » Version: 6.10.3

cpe:2.3:a:tenable:nessus:6.10.3
Tenable » Nessus » Version: 6.10.4

cpe:2.3:a:tenable:nessus:6.10.4
Tenable » Nessus » Version: 6.10.5

cpe:2.3:a:tenable:nessus:6.10.5
Tenable » Nessus » Version: 6.10.6

cpe:2.3:a:tenable:nessus:6.10.6
Tenable » Nessus » Version: 6.10.7

cpe:2.3:a:tenable:nessus:6.10.7
Tenable » Nessus » Version: 6.10.8

cpe:2.3:a:tenable:nessus:6.10.8
Tenable » Nessus » Version: 6.10.9

cpe:2.3:a:tenable:nessus:6.10.9
Tenable » Nessus » Version: 6.11.0

cpe:2.3:a:tenable:nessus:6.11.0
Tenable » Nessus » Version: 6.11.1

cpe:2.3:a:tenable:nessus:6.11.1
Tenable » Nessus » Version: 6.11.2

cpe:2.3:a:tenable:nessus:6.11.2
Tenable » Nessus » Version: 6.11.3

cpe:2.3:a:tenable:nessus:6.11.3
Tenable » Nessus » Version: 6.12.0

cpe:2.3:a:tenable:nessus:6.12.0
Tenable » Nessus » Version: 6.12.1

cpe:2.3:a:tenable:nessus:6.12.1
Tenable » Nessus » Version: 6.2.0

cpe:2.3:a:tenable:nessus:6.2.0
Tenable » Nessus » Version: 6.2.1

cpe:2.3:a:tenable:nessus:6.2.1
Tenable » Nessus » Version: 6.3.0

cpe:2.3:a:tenable:nessus:6.3.0
Tenable » Nessus » Version: 6.3.1

cpe:2.3:a:tenable:nessus:6.3.1
Tenable » Nessus » Version: 6.3.2

cpe:2.3:a:tenable:nessus:6.3.2
Tenable » Nessus » Version: 6.3.3

cpe:2.3:a:tenable:nessus:6.3.3
Tenable » Nessus » Version: 6.3.4

cpe:2.3:a:tenable:nessus:6.3.4
Tenable » Nessus » Version: 6.3.5

cpe:2.3:a:tenable:nessus:6.3.5
Tenable » Nessus » Version: 6.3.6

cpe:2.3:a:tenable:nessus:6.3.6
Tenable » Nessus » Version: 6.3.7

cpe:2.3:a:tenable:nessus:6.3.7
Tenable » Nessus » Version: 6.4.0

cpe:2.3:a:tenable:nessus:6.4.0
Tenable » Nessus » Version: 6.4.1

cpe:2.3:a:tenable:nessus:6.4.1
Tenable » Nessus » Version: 6.4.2

cpe:2.3:a:tenable:nessus:6.4.2
Tenable » Nessus » Version: 6.4.3

cpe:2.3:a:tenable:nessus:6.4.3
Tenable » Nessus » Version: 6.5.0

cpe:2.3:a:tenable:nessus:6.5.0
Tenable » Nessus » Version: 6.5.1

cpe:2.3:a:tenable:nessus:6.5.1
Tenable » Nessus » Version: 6.5.2

cpe:2.3:a:tenable:nessus:6.5.2
Tenable » Nessus » Version: 6.5.3

cpe:2.3:a:tenable:nessus:6.5.3
Tenable » Nessus » Version: 6.5.4

cpe:2.3:a:tenable:nessus:6.5.4
Tenable » Nessus » Version: 6.5.5

cpe:2.3:a:tenable:nessus:6.5.5
Tenable » Nessus » Version: 6.5.6

cpe:2.3:a:tenable:nessus:6.5.6
Tenable » Nessus » Version: 6.6.0

cpe:2.3:a:tenable:nessus:6.6.0
Tenable » Nessus » Version: 6.6.1

cpe:2.3:a:tenable:nessus:6.6.1
Tenable » Nessus » Version: 6.6.2

cpe:2.3:a:tenable:nessus:6.6.2
Tenable » Nessus » Version: 6.7

cpe:2.3:a:tenable:nessus:6.7
Tenable » Nessus » Version: 6.7.0

cpe:2.3:a:tenable:nessus:6.7.0
Tenable » Nessus » Version: 6.8

cpe:2.3:a:tenable:nessus:6.8
Tenable » Nessus » Version: 6.8.0

cpe:2.3:a:tenable:nessus:6.8.0
Tenable » Nessus » Version: 6.8.1

cpe:2.3:a:tenable:nessus:6.8.1
Tenable » Nessus » Version: 6.8.2

cpe:2.3:a:tenable:nessus:6.8.2
Tenable » Nessus » Version: 6.9

cpe:2.3:a:tenable:nessus:6.9
Tenable » Nessus » Version: 6.9.0

cpe:2.3:a:tenable:nessus:6.9.0
Tenable » Nessus » Version: 6.9.1

cpe:2.3:a:tenable:nessus:6.9.1
Tenable » Nessus » Version: 6.9.2

cpe:2.3:a:tenable:nessus:6.9.2
Tenable » Nessus » Version: 6.9.3

cpe:2.3:a:tenable:nessus:6.9.3
Tenable » Nessus » Version: 7.0.0

cpe:2.3:a:tenable:nessus:7.0.0
Tenable » Nessus » Version: 7.0.1

cpe:2.3:a:tenable:nessus:7.0.1
Tenable » Nessus » Version: 7.0.2

cpe:2.3:a:tenable:nessus:7.0.2
Tenable » Nessus » Version: 7.0.3

cpe:2.3:a:tenable:nessus:7.0.3
Tenable » Nessus » Version: 7.1.0

cpe:2.3:a:tenable:nessus:7.1.0
Tenable » Nessus » Version: 7.1.1

cpe:2.3:a:tenable:nessus:7.1.1
Tenable » Nessus » Version: 7.1.2

cpe:2.3:a:tenable:nessus:7.1.2
Tenable » Nessus » Version: 7.1.3

cpe:2.3:a:tenable:nessus:7.1.3
Tenable » Nessus » Version: 7.1.4

cpe:2.3:a:tenable:nessus:7.1.4
Tenable » Nessus » Version: 7.1.5

cpe:2.3:a:tenable:nessus:7.1.5
Tenable » Nessus » Version: 7.2.0

cpe:2.3:a:tenable:nessus:7.2.0
Tenable » Nessus » Version: 7.2.1

cpe:2.3:a:tenable:nessus:7.2.1
Tenable » Nessus » Version: 7.2.2

cpe:2.3:a:tenable:nessus:7.2.2
Tenable » Nessus » Version: 7.2.3

cpe:2.3:a:tenable:nessus:7.2.3
Tenable » Nessus » Version: 8.0.0

cpe:2.3:a:tenable:nessus:8.0.0
Tenable » Nessus » Version: 8.0.1

cpe:2.3:a:tenable:nessus:8.0.1
Tenable » Nessus » Version: 8.1.0

cpe:2.3:a:tenable:nessus:8.1.0
Tenable » Nessus » Version: 8.1.1

cpe:2.3:a:tenable:nessus:8.1.1
Tenable » Nessus » Version: 8.1.2

cpe:2.3:a:tenable:nessus:8.1.2
Tenable » Nessus » Version: 8.10.0

cpe:2.3:a:tenable:nessus:8.10.0
Tenable » Nessus » Version: 8.10.1

cpe:2.3:a:tenable:nessus:8.10.1
Tenable » Nessus » Version: 8.11.0

cpe:2.3:a:tenable:nessus:8.11.0
Tenable » Nessus » Version: 8.11.1

cpe:2.3:a:tenable:nessus:8.11.1
Tenable » Nessus » Version: 8.12.0

cpe:2.3:a:tenable:nessus:8.12.0
Tenable » Nessus » Version: 8.12.1

cpe:2.3:a:tenable:nessus:8.12.1
Tenable » Nessus » Version: 8.13.0

cpe:2.3:a:tenable:nessus:8.13.0
Tenable » Nessus » Version: 8.13.1

cpe:2.3:a:tenable:nessus:8.13.1
Tenable » Nessus » Version: 8.13.2

cpe:2.3:a:tenable:nessus:8.13.2
Tenable » Nessus » Version: 8.14.0

cpe:2.3:a:tenable:nessus:8.14.0
Tenable » Nessus » Version: 8.2.0

cpe:2.3:a:tenable:nessus:8.2.0
Tenable » Nessus » Version: 8.2.1

cpe:2.3:a:tenable:nessus:8.2.1
Tenable » Nessus » Version: 8.2.2

cpe:2.3:a:tenable:nessus:8.2.2
Tenable » Nessus » Version: 8.2.3

cpe:2.3:a:tenable:nessus:8.2.3
Tenable » Nessus » Version: 8.2.4

cpe:2.3:a:tenable:nessus:8.2.4
Tenable » Nessus » Version: 8.2.5

cpe:2.3:a:tenable:nessus:8.2.5
Tenable » Nessus » Version: 8.3.0

cpe:2.3:a:tenable:nessus:8.3.0
Tenable » Nessus » Version: 8.3.1

cpe:2.3:a:tenable:nessus:8.3.1
Tenable » Nessus » Version: 8.3.2

cpe:2.3:a:tenable:nessus:8.3.2
Tenable » Nessus » Version: 8.4.0

cpe:2.3:a:tenable:nessus:8.4.0
Tenable » Nessus » Version: 8.5.0

cpe:2.3:a:tenable:nessus:8.5.0
Tenable » Nessus » Version: 8.5.1

cpe:2.3:a:tenable:nessus:8.5.1
Tenable » Nessus » Version: 8.5.2

cpe:2.3:a:tenable:nessus:8.5.2
Tenable » Nessus » Version: 8.6.0

cpe:2.3:a:tenable:nessus:8.6.0
Tenable » Nessus » Version: 8.7.0

cpe:2.3:a:tenable:nessus:8.7.0
Tenable » Nessus » Version: 8.7.1

cpe:2.3:a:tenable:nessus:8.7.1
Tenable » Nessus » Version: 8.7.2

cpe:2.3:a:tenable:nessus:8.7.2
Tenable » Nessus » Version: 8.8.0

cpe:2.3:a:tenable:nessus:8.8.0
Tenable » Nessus » Version: 8.9.0

cpe:2.3:a:tenable:nessus:8.9.0
Tenable » Nessus » Version: 8.9.1

cpe:2.3:a:tenable:nessus:8.9.1
Canonical » Ubuntu Linux » Version: 12.04

cpe:2.3:o:canonical:ubuntu_linux:12.04
Canonical » Ubuntu Linux » Version: 14.04

cpe:2.3:o:canonical:ubuntu_linux:14.04
Canonical » Ubuntu Linux » Version: 16.04

cpe:2.3:o:canonical:ubuntu_linux:16.04
Canonical » Ubuntu Linux » Version: 18.04

cpe:2.3:o:canonical:ubuntu_linux:18.04
Canonical » Ubuntu Linux » Version: 18.10

cpe:2.3:o:canonical:ubuntu_linux:18.10
Canonical » Ubuntu Linux » Version: 19.04

cpe:2.3:o:canonical:ubuntu_linux:19.04
Debian » Debian Linux » Version: 8.0

cpe:2.3:o:debian:debian_linux:8.0
Debian » Debian Linux » Version: 9.0

cpe:2.3:o:debian:debian_linux:9.0
Fedoraproject » Fedora » Version: 29

cpe:2.3:o:fedoraproject:fedora:29
Fedoraproject » Fedora » Version: 30

cpe:2.3:o:fedoraproject:fedora:30
Opensuse » Leap » Version: 15.0

cpe:2.3:o:opensuse:leap:15.0
Opensuse » Leap » Version: 15.1

cpe:2.3:o:opensuse:leap:15.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2018-20843

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