DEBIAN-CVE-2021-23017

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Source
https://security-tracker.debian.org/tracker/CVE-2021-23017
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23017.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-23017
Upstream
Published
2021-06-01T13:15:07Z
Modified
2025-09-30T03:54:29Z
Severity
  • 7.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L CVSS Calculator
Summary
[none]
Details

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.

References

Affected packages

Debian:11 / nginx

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-6.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / nginx

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-6.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / nginx

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-6.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / nginx

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-6.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}