DEBIAN-CVE-2019-18224

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Source
https://security-tracker.debian.org/tracker/CVE-2019-18224
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18224.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2019-18224
Upstream
Published
2019-10-21T17:15:09.930Z
Modified
2025-11-19T01:19:05.704510Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

idn2toascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

References

Affected packages

Debian:11 / libidn2

Package

Name
libidn2
Purl
pkg:deb/debian/libidn2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18224.json"

Debian:12 / libidn2

Package

Name
libidn2
Purl
pkg:deb/debian/libidn2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18224.json"

Debian:13 / libidn2

Package

Name
libidn2
Purl
pkg:deb/debian/libidn2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18224.json"

Debian:14 / libidn2

Package

Name
libidn2
Purl
pkg:deb/debian/libidn2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18224.json"