High severity8.8NVD Advisory· Published Jan 21, 2022· Updated Jun 17, 2026

CVE-2021-46242

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Hdfgroup/Hdf52 versions
cpe:2.3:a:hdfgroup:hdf5:1.13.1-1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:hdfgroup:hdf5:1.13.1-1:*:*:*:*:*:*:*
- (no CPE)range: <=1.13.1-1
HDF5/HDF5description
osv-coords60 versions
pkg:rpm/opensuse/hdf5_1_10_8-gnu-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/hdf5_1_10_8-gnu-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/hdf5_1_10_8-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/hdf5_1_10_8-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=openSUSE%20Leap%2015.4 pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2012 pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2012 pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi1-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2012 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP4 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/hdf5_1_10_8-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4
< 1.10.8-150300.4.6.1+ 59 more
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-3.15.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-3.15.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-3.15.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150100.7.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150000.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150200.8.7.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1
- (no CPE)range: < 1.10.8-150300.4.6.1
- (no CPE)range: < 1.10.8-150400.3.3.1

Patches

Vulnerability mechanics

References

github.com/HDFGroup/hdf5/issues/1329nvdExploitIssue TrackingThird Party Advisory

News mentions

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cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000