Out-of-bounds Read in Hdfgroup Hdf5

CVE-2018-13866

An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer over-read in the function H5F_addr_decode_len in H5Fint.c.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hdfgroup Hdf5 — versions 1.8.20
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

xiaoqx/pocs

References

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

Frequently asked questions

What is CVE-2018-13866?: CVE-2018-13866 is a critical-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2018-07-10.
How severe is CVE-2018-13866?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-13866 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.