Use After Free in Hdfgroup Hdf5

CVE-2021-46242

HDF5 v1.13.1-1 was discovered to contain a heap-use-after free via the component H5AC_unpin_entry.

Vulnerability class: Use-After-Free

EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hdfgroup Hdf5 — versions 1.13.1-1
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-46242?: CVE-2021-46242 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Use After Free. CVSS score: 8.8/10. Published 2022-01-21.
How severe is CVE-2021-46242?: High severity. CVSS v3 base score is 8.8 out of 10.