DEBIAN-CVE-2020-36221

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Source
https://security-tracker.debian.org/tracker/CVE-2020-36221
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-36221.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-36221
Upstream
Published
2021-01-26T18:15:56.693Z
Modified
2025-11-19T01:02:00.282894Z
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

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

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-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-36221.json"

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-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-36221.json"

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-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-36221.json"

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-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-36221.json"