ALPINE-CVE-2021-3671

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Source
https://security.alpinelinux.org/vuln/CVE-2021-3671
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-3671
Upstream
Published
2021-10-12T18:15:08Z
Modified
2026-08-27T22:18:01Z
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 null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.

References

Affected packages

Alpine:v3.14
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.14.8-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.15
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.16
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.17
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.18
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.19
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.20
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.21
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.22
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.23
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
Alpine:v3.24
heimdal

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
4.15.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3671.json"