DEBIAN-CVE-2021-27212

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Source
https://security-tracker.debian.org/tracker/CVE-2021-27212
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-27212.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-27212
Upstream
Published
2021-02-14T03:15:12Z
Modified
2025-09-30T03:54:34Z
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

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

References

Affected packages

Debian:11 / openldap

Package

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

Affected ranges

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / openldap

Package

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

Affected ranges

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / openldap

Package

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

Affected ranges

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / openldap

Package

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

Affected ranges

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}