CVE-2019-17401 json
libyal liblnk 20191006 has a heap-based buffer over-read in the network_share_name_offset>20 code block of liblnk_location_information_read…
published 2019-10-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7804
- cvss
- 3.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
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
Patch / fix
- github.com/libyal/liblnk/issues/40 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/libyal/liblnk/issues/40 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/libyal/liblnk/issues/40
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2019-17401
- NVD CVE-2019-17401
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