ALPINE-CVE-2018-20843

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Source
https://security.alpinelinux.org/vuln/CVE-2018-20843
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2018-20843
Upstream
Published
2019-06-24T17:15:09.980Z
Modified
2026-06-09T21:32:17.076039107Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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).

References

Affected packages

Alpine:v3.10
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.11
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.12
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.13
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.14
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.15
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.16
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.17
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.18
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.19
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.20
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.21
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.22
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.23
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.24
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.7
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.8
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"
Alpine:v3.9
expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.7-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20843.json"