UBUNTU-CVE-2026-108063

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Source
https://ubuntu.com/security/CVE-2026-108063
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-108063
Upstream
  • CVE-2026-108063
Published
2026-10-12T00:00:00Z
Modified
2026-10-13T15:17:03Z
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
  • 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
  • Ubuntu - low
Summary
[none]
Details

A flaw was found in libhangul. When parsing Hanja dictionary files, the library fails to verify that an entry contains a valid value alongside its key. By providing a specially crafted dictionary file to an application that queries it, an attacker can trigger an unexpected application crash, resulting in a Denial of Service (DoS).

References

Affected packages

Ubuntu:16.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.1.0-3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.1.0-3"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.1.0-3"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"
Ubuntu:18.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.1.0-4
0.1.0+git20170815-1
0.1.0+git20170815-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.1.0+git20170815-2"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.1.0+git20170815-2"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"
Ubuntu:20.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.1.0+git20170815-2
0.1.0+git20191003-1
0.1.0+git20191003-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.1.0+git20191003-2"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.1.0+git20191003-2"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"
Ubuntu:22.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=jammy

Affected ranges

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

Affected versions

0.*
0.1.0+git20191003-2ubuntu2
0.1.0+git20191003-2ubuntu3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.1.0+git20191003-2ubuntu3"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.1.0+git20191003-2ubuntu3"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"
Ubuntu:24.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=noble

Affected ranges

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

Affected versions

0.*
0.1.0+git20230314-1
0.1.0+git20230314-2
0.1.0+git20230314-2build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.1.0+git20230314-2build1"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.1.0+git20230314-2build1"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"
Ubuntu:26.04:LTS
libhangul

Package

Name
libhangul
Purl
pkg:deb/ubuntu/libhangul?arch=source&distro=resolute

Affected ranges

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

Affected versions

0.*
0.2.0-1
0.2.0-1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libhangul-data",
            "binary_version":  "0.2.0-1build1"
        },
        {
            "binary_name":  "libhangul1",
            "binary_version":  "0.2.0-1build1"
        }
    ],
    "priority_reason":  "Denial of service requires a specially crafted dictionary file; no remote or default-configuration exposure."
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108063.json"