DEBIAN-CVE-2021-45958

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Source
https://security-tracker.debian.org/tracker/CVE-2021-45958
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-45958.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-45958
Upstream
Published
2022-01-01T00:15:08Z
Modified
2025-09-25T23:25:40.820433Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

References

Affected packages

Debian:11 / ujson

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.0.2-1
4.2.0-1

5.*

5.1.0-1
5.2.0-1
5.3.0-1
5.4.0-1
5.5.0-1
5.5.0-2
5.6.0-1
5.7.0-1
5.8.0-1
5.9.0-1
5.10.0-1
5.11.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / ujson

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / ujson

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / ujson

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}