CVE-2018-16438

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in...

8.8 HighFix available

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.77%Up 1.3 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: CVE-2018-16438
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: CVE-2018-16438
Updated: 2026-11-02

EUVDEUVD-2018-8278 No score

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: EUVD-2018-8278
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9xmm-cpf8-rgmx 8.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in...

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: GHSA-9xmm-cpf8-rgmx
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 8.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: CVE-2018-16438
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-16438 8.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: DEBIAN-CVE-2018-16438
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

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OSVOESA-2023-1208 8.8

hdf5 security update

HDF5 is a data model, library, and file format for storing and managing data. It supports an unlimited variety of datatypes, and is designed for flexible and efficient I/O and for high volume and complex data. HDF5 is portable and is extensible, allowing applications to evolve in their use of HDF5. The HDF5 Technology suite includes tools and applications for managing, manipulating, viewing, and analyzing data in the HDF5 format.

Security Fix(es):

An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer over-read in the function H5T_copy in H5T.c.(CVE-2018-14031)

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.(CVE-2018-16438)

Record: OESA-2023-1208
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-16438 8.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Record: UBUNTU-CVE-2018-16438
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVROOT-OS-DEBIAN-12-CVE-2018-16438 No score

CVE-2018-16438 in hdf5 - Patched by Root

Root has patched CVE-2018-16438 in the hdf5 package for Root:Debian:12. Multiple fixed versions available.

Record: ROOT-OS-DEBIAN-12-CVE-2018-16438
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` openEuler:20.03-LTS-SP1 From an advisory covering 2 CVEs	before 1.12.1-2.oe1	1.12.1-2.oe1
`hdf5` openEuler:20.03-LTS-SP3 From an advisory covering 2 CVEs	before 1.12.1-3.oe1	1.12.1-3.oe1
`hdf5` openEuler:22.03-LTS From an advisory covering 2 CVEs	before 1.12.1-4.oe2203sp1	1.12.1-4.oe2203sp1
`hdf5` openEuler:22.03-LTS-SP1 From an advisory covering 2 CVEs	before 1.12.1-4.oe2203sp1	1.12.1-4.oe2203sp1
`hdf5` Root:Debian:12	before 1.10.8+repack1-1.root.io.18	1.10.8+repack1-1.root.io.181.10.8+repack1-1.root.io.131.10.8+repack1-1.root.io.191.10.8+repack1-1.root.io.71.10.8+repack1-1.root.io.81.10.8+repack1-1.root.io.91.10.8+repack1-1.root.io.101.10.8+repack1-1.root.io.111.10.8+repack1-1.root.io.121.10.8+repack1-1.root.io.141.10.8+repack1-1.root.io.151.10.8+repack1-1.root.io.161.10.8+repack1-1.root.io.171.10.8+repack1-1.root.io.201.10.8+repack1-1.root.io.211.10.8+repack1-1.root.io.221.10.8+repack1-1.root.io.231.10.8+repack1-1.root.io.281.10.8+repack1-1.root.io.241.10.8+repack1-1.root.io.251.10.8+repack1-1.root.io.261.10.8+repack1-1.root.io.271.10.8+repack1-1.root.io.291.10.8+repack1-1.root.io.301.10.8+repack1-1.root.io.311.10.8+repack1-1.root.io.321.10.8+repack1-1.aikido.33
`rootio-hdf5` Root:Debian:12	before 1.10.8+repack1-1.root.io.18	1.10.8+repack1-1.root.io.181.10.8+repack1-1.root.io.131.10.8+repack1-1.root.io.191.10.8+repack1-1.root.io.71.10.8+repack1-1.root.io.81.10.8+repack1-1.root.io.91.10.8+repack1-1.root.io.101.10.8+repack1-1.root.io.111.10.8+repack1-1.root.io.121.10.8+repack1-1.root.io.141.10.8+repack1-1.root.io.151.10.8+repack1-1.root.io.161.10.8+repack1-1.root.io.171.10.8+repack1-1.root.io.201.10.8+repack1-1.root.io.211.10.8+repack1-1.root.io.221.10.8+repack1-1.root.io.231.10.8+repack1-1.root.io.281.10.8+repack1-1.root.io.241.10.8+repack1-1.root.io.251.10.8+repack1-1.root.io.261.10.8+repack1-1.root.io.271.10.8+repack1-1.root.io.291.10.8+repack1-1.root.io.301.10.8+repack1-1.root.io.311.10.8+repack1-1.root.io.321.10.8+repack1-1.aikido.33
`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

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Affected packages
Package	Affected	Fixed
`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
`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
`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
`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
`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
`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

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-2018-16438 is a high vulnerability (CVSS 8.8) in Hdfgroup Hdf5, published September 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in hdf5 1.14.5+repack-1.

References

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This page doesn't list everything

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