ALPINE-CVE-2021-3537

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Source
https://security.alpinelinux.org/vuln/CVE-2021-3537
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-3537
Upstream
Published
2021-05-14T20:15:16Z
Modified
2026-08-27T22:18:01Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

References

Affected packages

Alpine:v3.10
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.9-r5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.11
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10-r5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.12
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10-r6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.13
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10-r7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.14
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.15
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.16
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.17
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.18
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.19
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.20
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.21
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.22
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.23
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"
Alpine:v3.24
libxml2

Package

Name
libxml2
Purl
pkg:apk/alpine/libxml2?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3537.json"