CVE-2020-10811

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-22 · updated 2026-06-17
Weakness: CWE-125

Description

An issue was discovered in HDF5 through 1.12.0. A heap-based buffer over-read exists in the function H5O__layout_decode() located in H5Olayout.c. It allows an attacker to cause Denial of Service.

Affected products

HDF5: through 1.12.0

References

https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/RELEASE.txt
https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_2
https://research.loginsoft.com/bugs/heap-buffer-overflow-in-h5olayout-c-hdf5-1-13-0/
https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/RELEASE.txt
https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_2
https://research.loginsoft.com/bugs/heap-buffer-overflow-in-h5olayout-c-hdf5-1-13-0/

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