CVE-2021-45830

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in ...

5.5 MediumFix available

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.72%Up 0.2 points since Jan 6, 2022

What each source reports

NVD Score used 5.5

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: CVE-2021-45830
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: CVE-2021-45830
Updated: 2026-11-02

EUVDEUVD-2021-32548 No score

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: EUVD-2021-32548
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5h2h-fjjr-x9m2 No score

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in ...

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: GHSA-5h2h-fjjr-x9m2
Weakness: CWE-787
Updated: 2026-11-02

OSV 5.5

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: CVE-2021-45830
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2021-45830 5.5

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: DEBIAN-CVE-2021-45830
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Show 7 moreShow less

OSVUBUNTU-CVE-2021-45830 5.5

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Record: UBUNTU-CVE-2021-45830
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVSUSE-SU-2022:3824-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3824-1
Updated: 2026-11-02

OSVSUSE-SU-2022:3825-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3825-1
Updated: 2026-11-02

OSVSUSE-SU-2022:3826-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3826-1
Updated: 2026-11-02

OSVSUSE-SU-2022:3827-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3827-1
Updated: 2026-11-02

OSVSUSE-SU-2022:3828-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3828-1
Updated: 2026-11-02

OSVSUSE-SU-2022:3829-1 No score

Security update for hdf5

This update for hdf5 fixes the following issues:

CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).
CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).
CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).
CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).
CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).
CVE-2019-8396: Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).
CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).
CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).
CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).
CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).
CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).

Record: SUSE-SU-2022:3829-1
Updated: 2026-11-02

Affected products

hdfgroup hdf5

Affected packages

Affected packages
Package	Affected	Fixed
`hdf5` Debian:12	All versions, plus listed versions 1.10.10+repack-11.10.10+repack-21.10.10+repack-31.10.10+repack-3.11.10.10+repack-3.2 Show 45 moreShow less 1.10.10+repack-3.2+ports1.10.10+repack-3.31.10.10+repack-41.10.10+repack-51.10.8+repack1-11.12.0+repack-1~exp11.12.0+repack-1~exp21.12.2+repack-1~exp11.14.3+repack-1~exp11.14.3+repack1-1~exp21.14.3+repack1-1~exp31.14.4.3+repack-1~exp11.14.4.3+repack-1~exp21.14.4.3+repack-1~exp31.14.5+repack-11.14.5+repack-1~exp11.14.5+repack-1~exp21.14.5+repack-1~exp31.14.5+repack-1~exp41.14.5+repack-1~exp51.14.5+repack-1~exp61.14.5+repack-21.14.5+repack-31.14.5+repack-3.11.14.5+repack-3~exp11.14.5+repack-3~exp21.14.5+repack-3~exp31.14.5+repack-3~exp41.14.5+repack-41.14.5+repack-4~exp11.14.5+repack-4~exp21.14.5+repack-5~exp21.14.5+repack-5~exp31.14.6+repack-11.14.6+repack-1~exp11.14.6+repack-1~exp101.14.6+repack-1~exp111.14.6+repack-1~exp121.14.6+repack-1~exp131.14.6+repack-1~exp141.14.6+repack-1~exp151.14.6+repack-1~exp161.14.6+repack-1~exp171.14.6+repack-1~exp181.14.6+repack-1~exp19	None known
`hdf5` Debian:13	before 1.14.5+repack-1	1.14.5+repack-1
`hdf5` Debian:14	before 1.14.5+repack-1	1.14.5+repack-1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise Module for HPC 12 From an advisory covering 11 CVEs	before 1.10.8-3.15.1	1.10.8-3.15.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise Module for HPC 12 From an advisory covering 11 CVEs	before 1.10.8-3.15.1	1.10.8-3.15.1
`hdf5_1_10_8-gnu-openmpi1-hpc` SUSE:Linux Enterprise Module for HPC 12 From an advisory covering 11 CVEs	before 1.10.8-3.15.1	1.10.8-3.15.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise Module for HPC 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise Module for HPC 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise Module for HPC 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise Module for HPC 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1

Show 75 moreShow less

Affected packages
Package	Affected	Fixed
`hdf5_1_10_8-gnu-openmpi4-hpc` SUSE:Linux Enterprise Module for HPC 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-openmpi4-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP4 From an advisory covering 11 CVEs	before 1.10.8-150400.3.3.1	1.10.8-150400.3.3.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS From an advisory covering 11 CVEs	before 1.10.8-150200.8.7.1	1.10.8-150200.8.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mpich-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150100.7.7.1	1.10.8-150100.7.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-openmpi2-hpc` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 11 CVEs	before 1.10.8-150000.8.7.1	1.10.8-150000.8.7.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise Module for HPC 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise Module for HPC 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise Module for HPC 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise Module for HPC 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi4-hpc` SUSE:Linux Enterprise Module for HPC 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mpich-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mvapich2-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi3-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi4-hpc` SUSE:Linux Enterprise Module for Package Hub 15 SP3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-hpc` openSUSE:Leap 15.3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mpich-hpc` openSUSE:Leap 15.3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mvapich2-hpc` openSUSE:Leap 15.3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi3-hpc` openSUSE:Leap 15.3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi4-hpc` openSUSE:Leap 15.3 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mpich-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-mvapich2-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi3-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5_1_10_8-gnu-openmpi4-hpc` openSUSE:Leap 15.4 From an advisory covering 11 CVEs	before 1.10.8-150300.4.6.1	1.10.8-150300.4.6.1
`hdf5` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 1.8.11-3ubuntu11.8.11-5ubuntu11.8.11-5ubuntu21.8.11-5ubuntu61.8.11-5ubuntu71.8.11-5ubuntu7.11.8.11-5ubuntu7.1+esm11.8.11-5ubuntu7.1+esm2	None known
`hdf5` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 1.8.15-patch1+docs-41.8.15-patch1+docs-51.8.16+docs-11.8.16+docs-21.8.16+docs-3 Show 6 moreShow less 1.8.16+docs-3ubuntu11.8.16+docs-41.8.16+docs-4ubuntu11.8.16+docs-4ubuntu1.11.8.16+docs-4ubuntu1.1+esm11.8.16+docs-4ubuntu1.1+esm2	None known
`paraview` Ubuntu:16.04:LTS	All versions, plus listed versions 4.1.0+dfsg+1-2build14.1.0+dfsg+1-35.0.0+dfsg1-2build15.0.0+dfsg1-2build25.0.1+dfsg1-35.0.1+dfsg1-4	None known
`hdf5` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 1.10.0-patch1+docs-41.10.0-patch1+docs-4ubuntu0.1~esm11.10.0-patch1+docs-4ubuntu0.1~esm2	None known
`paraview` Ubuntu:18.04:LTS	All versions, plus listed versions 5.1.2+dfsg1-25.1.2+dfsg1-2build15.4.1+dfsg3-1	None known
`hdf5` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 1.10.4+repack-101.10.4+repack-111.10.4+repack-11ubuntu11.10.4+repack-11ubuntu1+esm1	None known
`paraview` Ubuntu:20.04:LTS	All versions, plus listed versions 5.4.1+dfsg4-45.7.0-4ubuntu85.7.0-4ubuntu9	None known
`hdf5` Ubuntu:22.04:LTS	All versions, plus listed versions 1.10.6+repack-51.10.7+repack-4ubuntu11.10.7+repack-4ubuntu2	None known
`insighttoolkit5` Ubuntu:22.04:LTS	All versions, plus listed versions 5.2.1-15.2.1-25.2.1-3	None known
`paraview` Ubuntu:22.04:LTS	All versions, plus listed versions 5.9.0-2ubuntu15.10.0~rc1-1build3	None known
`hdf5` Ubuntu:24.04:LTS	All versions, plus listed versions 1.10.8+repack1-1ubuntu11.10.10+repack-3ubuntu11.10.10+repack-3.1ubuntu31.10.10+repack-3.1ubuntu4	None known
`insighttoolkit5` Ubuntu:24.04:LTS	All versions, plus listed versions 5.3.0-65.3.0-6build15.3.0-6build25.3.0-75.3.0-7build15.3.0-7build35.3.0-7build4	None known
`paraview` Ubuntu:24.04:LTS	All versions, plus listed versions 5.11.0+dfsg-25.11.0+dfsg-2build15.11.2+dfsg-45.11.2+dfsg-65.11.2+dfsg-6build15.11.2+dfsg-6build45.11.2+dfsg-6build5	None known
`insighttoolkit5` Ubuntu:25.10	All versions, plus listed versions 5.4.0-25.4.3-45.4.3-5	None known
`paraview` Ubuntu:25.10	All versions, plus listed versions 5.13.2+dfsg-2ubuntu15.13.2+dfsg-2ubuntu25.13.2+dfsg-3	None known
`insighttoolkit5` Ubuntu:26.10	All versions, plus listed versions 5.4.5-1build25.4.6-15.4.7-1	None known
`paraview` Ubuntu:26.10	All versions, plus listed versions 6.0.1+dfsg1-76.0.1+dfsg1-86.1.1+dfsg1-2build1	None known
`insighttoolkit5` Ubuntu:26.04:LTS	All versions, plus listed versions 5.4.3-55.4.4-15.4.5-15.4.5-1build15.4.5-1build2	None known
`paraview` Ubuntu:26.04:LTS	All versions, plus listed versions 5.13.2+dfsg-35.13.2+dfsg-3ubuntu15.13.2+dfsg-3.16.0.1+dfsg1-6ubuntu16.0.1+dfsg1-7	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-45830 is a medium vulnerability (CVSS 5.5) in Hdfgroup Hdf5, published January 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. Fixed in hdf5 1.14.5+repack-1.

References

Show 28 moreShow less

This page doesn't list everything

Left out here: 27 versions. The JSON record has them.