CVE catalog
CVE-2026-108063
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
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
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).
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libhangul | sid | 0.2.0-1 | vulnerable |
| Debian | libhangul | forky | 0.2.0-1 | vulnerable |
| Debian | libhangul | trixie | 0.2.0-1 | vulnerable |
| Debian | libhangul | bookworm | 0.1.0+git20191003-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libhangul | source | sid | (unfixed) | unimportant | Not reported | [1150512] |
| Debian | libhangul | source | forky | (unfixed) | unimportant | Not reported | [1150512] |
| Debian | libhangul | source | trixie | (unfixed) | unimportant | Not reported | [1150512] |
| Debian | libhangul | source | bookworm | (unfixed) | unimportant | Not reported | [1150512] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libhangul1]Affected
Source package: [libhangul]
Details (2)
0.1.0+git20191003-2· amd64 · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
0.1.0+git20191003-2· arm64 · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
- [libhangul-data]Affected
Source package: [libhangul]
Details (2)
0.1.0+git20191003-2· all · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
0.1.0+git20191003-2· all · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
- [libhangul-dev]Affected
Source package: [libhangul]
Details (2)
0.1.0+git20191003-2· amd64 · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
0.1.0+git20191003-2· arm64 · bookwormAffected
nvd · libhangul · debian · bookworm; nvd · libhangul · debian · 12
[Debian 13 (Trixie)]
- [libhangul1]Affected
Source package: [libhangul]
Details (2)
0.2.0-1· amd64 · trixieAffected
nvd · libhangul · debian · 13
0.2.0-1· arm64 · trixieAffected
nvd · libhangul · debian · 13
- [libhangul-data]Affected
Source package: [libhangul]
Details (2)
0.2.0-1· all · trixieAffected
nvd · libhangul · debian · 13
0.2.0-1· all · trixieAffected
nvd · libhangul · debian · 13
- [libhangul-dev]Affected
Source package: [libhangul]
Details (2)
0.2.0-1· amd64 · trixieAffected
nvd · libhangul · debian · 13
0.2.0-1· arm64 · trixieAffected
nvd · libhangul · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-108063]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-108063]
- [https://security-tracker.debian.org/tracker/CVE-2026-108063]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-108063.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]