CVE-2021-37501
CVSS v3
7.5
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.
Technical details
- Published
- 2023-02-03
Frequently asked questions
What is CVE-2021-37501?
Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.
Is CVE-2021-37501 actively exploited?
Active exploitation of CVE-2021-37501 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-37501?
CVE-2021-37501 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-37501 affecting your environment?
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