hdf5: SIGFPE signal in function H5D__select_io() of H5Dselect.c
Published Sep 24, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.74%
Description
A SIGFPE signal is raised in the function H5D__select_io() of H5Dselect.c in the HDF HDF5 through 1.10.3 library during an attempted parse of a crafted HDF file, because of incorrect protection against division by zero. It could allow a remote denial of service attack.
Affected products
No data.
No data.
Red Hat OpenStack Platform 10 (Newton)
hdf5
Fix deferred
Red Hat OpenStack Platform 12 (Pike)
hdf5
Affected
Red Hat OpenStack Platform 13 (Queens)
hdf5
Fix deferred
Red Hat OpenStack Platform 14 (Rocky)
hdf5
Fix deferred
Red Hat OpenStack Platform 8 (Liberty)
hdf5
Fix deferred
Red Hat OpenStack Platform 9 (Mitaka)
hdf5
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenStack Platform 10 (Newton) | hdf5 | Fix deferred | n/a |
| Red Hat OpenStack Platform 12 (Pike) | hdf5 | Affected | n/a |
| Red Hat OpenStack Platform 13 (Queens) | hdf5 | Fix deferred | n/a |
| Red Hat OpenStack Platform 14 (Rocky) | hdf5 | Fix deferred | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | hdf5 | Fix deferred | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | hdf5 | Fix deferred | 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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.74% (0.01740) | 76.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.74% (0.01740) | 74.70th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.17% (0.00167) | 53.83th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.17% (0.00167) | 53.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00167) | 51.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.65% (0.00651) | 18.22th | v1 |
| Jan 6, 2022 | 0.65% (0.00651) | 17.65th | v1 |
| Sep 1, 2021 | 0.65% (0.00651) | 45.91th | v1 |
| Apr 14, 2021 | 0.65% (0.00651) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-17438 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1634139 Issue Tracking
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln4#divided-by-zero---poc_h5d__select_io_h5dselect x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-17438
- https://www.cve.org/CVERecord?id=CVE-2018-17438
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-17438 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1634139 | Issue Tracking | |
| https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln4#divided-by-zero---poc_h5d__select_io_h5dselect | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17438 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-17438 |
Change history (0)
No recorded changes yet.