CVE-2021-36976

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-36976
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36976.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-36976
Downstream
Related
Published
2021-07-20T07:15:07Z
Modified
2025-09-19T13:07:23.008862Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

libarchive 3.4.1 through 3.5.1 has a use-after-free in copystring (called from douncompressblock and processblock).

References

Affected packages

Alpine:v3.13

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0

Alpine:v3.14

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0

Alpine:v3.15

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.16

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.17

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.18

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.19

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.20

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.21

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2

Alpine:v3.22

libarchive

Package

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

Affected ranges

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

Affected versions

2.*

2.8.4-r0
2.8.4-r1
2.8.4-r2
2.8.5-r0

3.*

3.0.2-r0
3.0.3-r0
3.0.4-r0
3.1.2-r0
3.1.2-r1
3.1.2-r2
3.2.0-r0
3.2.1-r0
3.2.1-r1
3.2.2-r0
3.2.2-r1
3.3.1-r0
3.3.1-r1
3.3.2-r0
3.3.2-r1
3.3.2-r2
3.3.2-r3
3.3.2-r4
3.3.3-r0
3.4.0-r0
3.4.1-r0
3.4.2-r0
3.4.3-r0
3.5.0-r0
3.5.1-r0
3.5.2-r0
3.5.2-r1
3.5.2-r2