DEBIAN-CVE-2021-20277

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Source
https://security-tracker.debian.org/tracker/CVE-2021-20277
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20277.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-20277
Upstream
Published
2021-05-12T14:15:11Z
Modified
2025-09-19T06:20:22Z
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

Debian:11 / ldb

Package

Name
ldb
Purl
pkg:deb/debian/ldb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.2.0-3.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.13.13+dfsg-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Debian:13 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.13.13+dfsg-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Debian:14 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.13.13+dfsg-1

Ecosystem specific 

{
    "urgency": "unimportant"
}