UBUNTU-CVE-2016-6263

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Source
https://ubuntu.com/security/CVE-2016-6263
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6263.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-6263
Upstream
Downstream
Related
Published
2016-07-21T00:00:00Z
Modified
2025-09-08T16:43:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The stringpreputf8nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.

References

Affected packages

Ubuntu:14.04:LTS / libidn

Package

Name
libidn
Purl
pkg:deb/ubuntu/libidn@1.28-1ubuntu2.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.28-1ubuntu2.1

Affected versions

1.*

1.28-1ubuntu1
1.28-1ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idn",
            "binary_version": "1.28-1ubuntu2.1"
        },
        {
            "binary_name": "libidn11",
            "binary_version": "1.28-1ubuntu2.1"
        },
        {
            "binary_name": "libidn11-dev",
            "binary_version": "1.28-1ubuntu2.1"
        },
        {
            "binary_name": "libidn11-java",
            "binary_version": "1.28-1ubuntu2.1"
        }
    ]
}

Ubuntu:16.04:LTS / libidn

Package

Name
libidn
Purl
pkg:deb/ubuntu/libidn@1.32-3ubuntu1.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.32-3ubuntu1.1

Affected versions

1.*

1.28-1ubuntu2
1.32-3ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idn",
            "binary_version": "1.32-3ubuntu1.1"
        },
        {
            "binary_name": "libidn11",
            "binary_version": "1.32-3ubuntu1.1"
        },
        {
            "binary_name": "libidn11-dev",
            "binary_version": "1.32-3ubuntu1.1"
        },
        {
            "binary_name": "libidn11-java",
            "binary_version": "1.32-3ubuntu1.1"
        }
    ]
}