CVE-2019-8397

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the...

6.5 Medium

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.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: None
Integrity: None
Availability: High

Exploit likelihood

1.19%Up 0.8 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: CVE-2019-8397
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/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-125
Updated: 2026-11-02

CVE List No score

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: CVE-2019-8397
Updated: 2026-11-02

EUVDEUVD-2019-17787 No score

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: EUVD-2019-17787
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r7r8-fv8q-mvm6 6.5

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the...

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: GHSA-r7r8-fv8q-mvm6
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 6.5

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: CVE-2019-8397
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-11

OSVDEBIAN-CVE-2019-8397 6.5

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: DEBIAN-CVE-2019-8397
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-8397 6.5

An issue was discovered in the HDF HDF5 1.10.4 library. There is an out of bounds read in the function H5T_close_real in H5T.c.

Record: UBUNTU-CVE-2019-8397
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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	All versions, plus listed versions 1.14.5+repack-31.14.5+repack-3.11.14.5+repack-41.14.5+repack-4~exp11.14.5+repack-4~exp2 Show 41 moreShow less 1.14.5+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~exp191.14.6+repack-1~exp21.14.6+repack-1~exp201.14.6+repack-1~exp211.14.6+repack-1~exp31.14.6+repack-1~exp41.14.6+repack-1~exp51.14.6+repack-1~exp61.14.6+repack-1~exp71.14.6+repack-1~exp81.14.6+repack-1~exp91.14.6+repack-21.14.6+repack-3~exp12.1.0+repack-12.1.0+repack-1~exp102.1.0+repack-1~exp112.1.0+repack-1~exp32.1.0+repack-1~exp42.1.0+repack-1~exp52.1.0+repack-1~exp62.1.0+repack-1~exp72.1.0+repack-1~exp82.1.0+repack-1~exp92.2.0+repack-12.2.0+repack-22.2.0+repack-32.2.0+repack-42.2.0+repack-5	None known
`hdf5` Debian:14	All versions, plus listed versions 1.14.5+repack-31.14.5+repack-3.11.14.5+repack-41.14.5+repack-4~exp11.14.5+repack-4~exp2 Show 41 moreShow less 1.14.5+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~exp191.14.6+repack-1~exp21.14.6+repack-1~exp201.14.6+repack-1~exp211.14.6+repack-1~exp31.14.6+repack-1~exp41.14.6+repack-1~exp51.14.6+repack-1~exp61.14.6+repack-1~exp71.14.6+repack-1~exp81.14.6+repack-1~exp91.14.6+repack-21.14.6+repack-3~exp12.1.0+repack-12.1.0+repack-1~exp102.1.0+repack-1~exp112.1.0+repack-1~exp32.1.0+repack-1~exp42.1.0+repack-1~exp52.1.0+repack-1~exp62.1.0+repack-1~exp72.1.0+repack-1~exp82.1.0+repack-1~exp92.2.0+repack-12.2.0+repack-22.2.0+repack-32.2.0+repack-42.2.0+repack-5	None known
`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
`hdf5` Ubuntu:25.10	All versions, plus listed versions 1.14.5+repack-31.14.5+repack-3build1	None known
`hdf5` Ubuntu:26.04:LTS	All versions, plus listed versions 1.14.5+repack-3build11.14.5+repack-41.14.6+repack-2	None known

History

History
Recorded	Changed	Sources
Nov 4, 2026	facts	OSV
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-2019-8397 is a medium vulnerability (CVSS 6.5) in Hdfgroup Hdf5, published February 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.

References

This page doesn't list everything

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