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TI-2019-12996 Aliases CVE-2019-17401GHSA-6hx3-24v8-6q6q

libyal liblnk 20191006 has a heap-based buffer over-read in the…

Priority LOW 16CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

libyal liblnk 20191006 has a heap-based buffer over-read in the network_share_name_offset>20 code block of liblnk_location_information_read_data in liblnk_location_information.c, a different issue than CVE-2019-17264. NOTE: the vendor has disputed this as described in the GitHub issue

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:liblnk_project:liblnk:20191006:*:*:*:*:*:*:*20191006VulnerableLiblnk Project
  • cpe:2.3:a:liblnk_project:liblnk:20191006:*:*:*:*:*:*:* Versions 20191006 Vulnerable ·Liblnk Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-17401
  2. 2026-10-03 Alias added: GHSA-6hx3-24v8-6q6q

References

  • 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-2018-08675 The liblnk_data_string_get_utf8_string_size function in liblnk_data_string.c in liblnk… CVSS 3.0MEDIUM 5.5
  • TI-2019-12880 In libyal liblnk before 20191006, liblnk_location_information_read_data in… CVSS 3.1LOW 3.3

Sources