The liblnk_data_string_get_utf8_string_size function in liblnk_data_string.c in liblnk…
Priority LOW 26CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
The liblnk_data_string_get_utf8_string_size function in liblnk_data_string.c in liblnk through 2018-04-19 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted lnk file. NOTE: the vendor has disputed this as described in libyal/liblnk issue 33 on GitHub
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00587 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:liblnk_project:liblnk:*:*:*:*:*:*:*:* | up to 20180419 | Vulnerable | Liblnk Project |
- cpe:2.3:a:liblnk_project:liblnk:*:*:*:*:*:*:*:* Versions up to 20180419 Vulnerable ·Liblnk Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12096
- 2026-10-03 Alias added: GHSA-gvvf-hrjc-7g7x
References
Advisory 1
More Liblnk Project Liblnk vulnerabilities
- TI-2018-08677 The liblnk_data_block_read function in liblnk_data_block.c in liblnk through 2018-04-19… CVSS 3.0MEDIUM 5.5
- TI-2018-08676 The liblnk_location_information_read_data function in liblnk_location_information.c in… CVSS 3.0MEDIUM 5.5
- TI-2019-12996 libyal liblnk 20191006 has a heap-based buffer over-read in the… CVSS 3.1LOW 3.3
- TI-2019-12880 In libyal liblnk before 20191006, liblnk_location_information_read_data in… CVSS 3.1LOW 3.3
Sources
- CVE-2018-12096 · CVE Program
- CVE-2018-12096 · NVD
- FIRST EPSS
- GHSA-gvvf-hrjc-7g7x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences