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).
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Fixes

Solution

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Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

History

Fri, 09 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description 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).
Title Libhangul: null pointer dereference in hanja_new() when looking up a malformed hanja dictionary entry
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-476
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-09T13:26:59.432Z

Reserved: 2026-10-09T11:02:10.028Z

Link: CVE-2026-108063

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-09T14:17:20.130

Modified: 2026-10-09T14:17:20.130

Link: CVE-2026-108063

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses