hdf5: buffer over-read in H5O_attr_decode() in H5Oattr.c
Published Sep 24, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.31%
Description
A heap-based buffer over-read in H5O_attr_decode() in H5Oattr.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service via a crafted HDF5 file. This issue was triggered while converting an HDF file to GIF 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 | 1.31% (0.01312) | 69.63th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.31% (0.01312) | 69.41th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00096) | 40.85th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00096) | 40.81th | 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 (5)
- https://access.redhat.com/security/cve/CVE-2018-17435 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1634125 Issue Tracking
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln7#heap-overflow-in-h5o_attr_decode x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-17435
- https://www.cve.org/CVERecord?id=CVE-2018-17435
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-17435 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1634125 | Issue Tracking | |
| https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln7#heap-overflow-in-h5o_attr_decode | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17435 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-17435 |
Change history (0)
No recorded changes yet.