hdf5: out of bounds read in H5L_extern_query at H5Lexternal.c
Published Sep 4, 2018
8.8
HIGHCVSS 3.0
EPSS 1.77%
Description
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.
Affected products
No data.
No data.
Red Hat OpenStack Platform 10 (Newton)
hdf5
Will not fix
Red Hat OpenStack Platform 12 (Pike)
hdf5
Affected
Red Hat OpenStack Platform 13 (Queens)
hdf5
Will not fix
Red Hat OpenStack Platform 14 (Rocky)
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 12 (Pike) | hdf5 | Affected | 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 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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/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 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.77% (0.01766) | 77.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01766) | 75.09th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.40% (0.00398) | 57.67th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.62% (0.01621) | 70.29th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.25% (0.00249) | 65.31th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00249) | 63.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00249) | 60.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-16438 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1625424 Issue Tracking
- https://github.com/TeamSeri0us/pocs/tree/master/hdf5/h5stat x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-16438
- https://www.cve.org/CVERecord?id=CVE-2018-16438
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-16438 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1625424 | Issue Tracking | |
| https://github.com/TeamSeri0us/pocs/tree/master/hdf5/h5stat | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16438 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-16438 |
Change history (0)
No recorded changes yet.