ALPINE-CVE-2021-3541

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Source
https://security.alpinelinux.org/vuln/CVE-2021-3541
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-3541
Upstream
Published
2021-07-09T17:15:07.973Z
Modified
2025-12-03T22:45:33.413954Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

References

Affected packages

Alpine:v3.11

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.12

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.13

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.15

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.16

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.17

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.18

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.19

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.20

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.21

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.22

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"

Alpine:v3.23

libxml2

Package

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

Affected ranges

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

Affected versions

2.*

2.7.2-r0
2.7.3-r0
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.8-r0
2.7.8-r1
2.7.8-r2
2.7.8-r4
2.7.8-r5
2.7.8-r6
2.7.8-r7
2.7.8-r8
2.8.0-r0
2.8.0-r1
2.9.0-r0
2.9.0-r1
2.9.0-r2
2.9.0-r3
2.9.1-r0
2.9.1-r1
2.9.1-r2
2.9.2-r0
2.9.2-r1
2.9.2-r2
2.9.3-r0
2.9.4-r0
2.9.4-r1
2.9.4-r2
2.9.4-r3
2.9.4-r4
2.9.5-r0
2.9.6-r0
2.9.6-r2
2.9.7-r0
2.9.7-r1
2.9.8-r0
2.9.8-r1
2.9.8-r2
2.9.9-r0
2.9.9-r1
2.9.9-r2
2.9.9-r3
2.9.10-r0
2.9.10-r1
2.9.10-r2
2.9.10-r3
2.9.10-r4
2.9.10-r5
2.9.10-r6
2.9.10-r7

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3541.json"