ALPINE-CVE-2021-20277

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Source
https://security.alpinelinux.org/vuln/CVE-2021-20277
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-20277
Upstream
Published
2021-05-12T14:15:11Z
Modified
2026-08-27T22:18:01Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.

References

Affected packages

Alpine:v3.12
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.12.14-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.13
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.13.7-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.14
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.15
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.16
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.17
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.18
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.19
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.20
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.21
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.22
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.23
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"
Alpine:v3.24
samba

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.0.0
Fixed
4.14.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20277.json"