hdf5: buffer overflow in function H5O__layout_encode in H5Olayout.c
Published Feb 17, 2019
6.5
MEDIUMCVSS 3.0
EPSS 1.35%
Description
A buffer overflow in H5O__layout_encode in H5Olayout.c in the HDF HDF5 through 1.10.4 library allows attackers to cause a denial of service via a crafted HDF5 file. This issue was triggered while repacking an HDF5 file, aka "Invalid write of size 2."
Affected products
No data.
No data.
Red Hat OpenStack Platform 10 (Newton)
hdf5
Will not fix
Red Hat OpenStack Platform 13 (Queens)
hdf5
Will not fix
Red Hat OpenStack Platform 14 (Rocky)
hdf5
Will not fix
Red Hat OpenStack Platform 15 (Stein)
hdf5
Will not fix
Red Hat OpenStack Platform 8 (Liberty)
hdf5
Will not fix
Red Hat OpenStack Platform 9 (Mitaka)
hdf5
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenStack Platform 10 (Newton) | hdf5 | Will not fix | n/a |
| Red Hat OpenStack Platform 13 (Queens) | hdf5 | Will not fix | n/a |
| Red Hat OpenStack Platform 14 (Rocky) | hdf5 | Will not fix | n/a |
| Red Hat OpenStack Platform 15 (Stein) | hdf5 | Will not fix | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | hdf5 | Will not fix | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | hdf5 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.35% (0.01348) | 70.45th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.35% (0.01348) | 70.21th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00092) | 39.73th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.09% (0.00092) | 39.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00092) | 37.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.56% (0.02561) | 62.63th | v2 (v2022.01.01) |
| Jan 6, 2022 | 2.28% (0.02283) | 51.78th | v1 |
| Jan 5, 2022 | 0.52% (0.00518) | 31.20th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2019-8396 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1678254 Issue Tracking
- https://github.com/magicSwordsMan/PAAFS/tree/master/vul4 x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-8396
- https://www.cve.org/CVERecord?id=CVE-2019-8396
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-8396 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1678254 | Issue Tracking | |
| https://github.com/magicSwordsMan/PAAFS/tree/master/vul4 | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-8396 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-8396 |
Change history (0)
No recorded changes yet.