ALPINE-CVE-2021-29921
- Source
- https://security.alpinelinux.org/vuln/CVE-2021-29921
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29921.json
- JSON Data
- https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-29921
- Upstream
- Published
- 2021-05-06T13:15:12Z
- Modified
- 2025-09-30T05:21:12.417230Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
- References
Affected packages
Alpine:v3.15
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.16
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.17
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.18
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.19
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.20
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.21
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0
Alpine:v3.22
python3
Package
- Name
- python3
- Purl
- pkg:apk/alpine/python3?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.9.5-r0
Affected versions
3.*
3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3
3.8.2-r0
3.8.2-r1
3.8.2-r2
3.8.2-r3
3.8.2-r4
3.8.2-r5
3.8.2-r6
3.8.2-r7
3.8.3-r0
3.8.4-r0
3.8.5-r0
3.8.5-r1
3.8.5-r2
3.8.6-r0
3.8.7-r0
3.8.7-r1
3.8.7-r2
3.8.7-r3
3.8.8-r0
3.9.1-r0
3.9.2-r0
3.9.4-r0