CVE-2018-13871
CVSS v3
9.8
CRITICAL
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer overflow in the function H5FL_blk_malloc in H5FL.c.
Technical details
- Published
- 2018-07-10
Frequently asked questions
What is CVE-2018-13871?
An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer overflow in the function H5FL_blk_malloc in H5FL.c.
Is CVE-2018-13871 actively exploited?
Active exploitation of CVE-2018-13871 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-13871?
CVE-2018-13871 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-13871 affecting your environment?
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