hdf5: memory leak in H5O_dtype_decode_helper() in H5Odtype.c
Published Sep 24, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.33%
Description
Memory leak in the H5O_dtype_decode_helper() function in H5Odtype.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.33% (0.01332) | 70.07th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.33% (0.01332) | 69.84th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00108) | 44.20th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.11% (0.00108) | 42.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00096) | 38.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00518) | 11.68th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2018-17437 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1634132 Issue Tracking
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln5#memory-leak-in-h5o_dtype_decode_helper ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2018-17437
- https://www.cve.org/CVERecord?id=CVE-2018-17437
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-17437 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1634132 | Issue Tracking | |
| https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln5#memory-leak-in-h5o_dtype_decode_helper | ExploitThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html | mailing-list | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17437 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-17437 |
Change history (0)
No recorded changes yet.