CVE-2021-45833: Buffer Overflow
Published Jan 5, 2022
·Updated
A Stack-based Buffer Overflow Vulnerability exists in HDF5 1.13.1-1 via the H5Dcreatechunkfilemaphyper function in /hdf5/src/H5Dchunk.c, which causes a Denial of Service (context-dependent).
Affected Software
1 affected component
HDFGroup hdf5=1.13.1-1
Event History
Jan 5, 2022
CVE Published
via MITRE·08:44 PM
Data Sourced
via MITRE·08:44 PM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-45833?
CVE-2021-45833 is a critical vulnerability as it can lead to a Denial of Service due to a stack-based buffer overflow.
2
How do I fix CVE-2021-45833?
To fix CVE-2021-45833, upgrade to a patched version of HDF5 that addresses this buffer overflow issue.
3
What versions of HDF5 are affected by CVE-2021-45833?
CVE-2021-45833 affects HDF5 version 1.13.1-1.
4
What are the potential impacts of CVE-2021-45833?
The potential impacts of CVE-2021-45833 include application crashes and a Denial of Service condition.
5
In which function does CVE-2021-45833 occur?
CVE-2021-45833 occurs in the H5D__create_chunk_file_map_hyper function in the HDF5 source code.