CVE-2018-12098
** DISPUTED ** The liblnk_data_block_read function in liblnk_data_block.c in liblnk through 2018...
The liblnk_data_block_read function in liblnk_data_block.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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The liblnk_data_block_read function in liblnk_data_block.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
- Record
CVE-2018-12098- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 1.9 Low
AV:L/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-125, CWE-200
- Updated
- 2026-11-02
CVE List No score
The liblnk_data_block_read function in liblnk_data_block.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
- Record
CVE-2018-12098- Updated
- 2026-11-02
EUVDEUVD-2018-4078 No score
The liblnk_data_block_read function in liblnk_data_block.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
- Record
EUVD-2018-4078- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x4qr-xrm4-qp2m
** DISPUTED ** The liblnk_data_block_read function in liblnk_data_block.c in liblnk through 2018...
** DISPUTED ** The liblnk_data_block_read function in liblnk_data_block.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.
- Record
GHSA-x4qr-xrm4-qp2m- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-125, CWE-200
- Updated
- 2026-11-02
OSV
The liblnk_data_block_read function in liblnk_data_block.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
- Record
CVE-2018-12098- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-12098
The liblnk_data_block_read function in liblnk_data_block.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
- Record
DEBIAN-CVE-2018-12098- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-12098
The liblnk_data_block_read function in liblnk_data_block.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
- Record
UBUNTU-CVE-2018-12098- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
liblnkDebian:12 |
before 20180626-1 | 20180626-1 |
liblnkDebian:13 |
before 20180626-1 | 20180626-1 |
liblnkDebian:14 |
before 20180626-1 | 20180626-1 |
liblnkUbuntu:16.04:LTS |
All versions, plus listed versions 20150617-220150830-120151205-120160107-1 |
None known |
liblnkUbuntu:18.04:LTS |
All versions, plus listed versions 20170111-1build120171101-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-12098 is a medium vulnerability (CVSS 5.5) in Liblnk Project Liblnk, published June 19, 2018. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in liblnk 20180626-1.