HDF5 h5 File H5SM.c H5SM_delete heap-based overflow
Published Mar 10, 2025
2.3
LOWCVSS 4.0
EPSS 0.49%
Description
A vulnerability, which was classified as critical, was found in HDF5 1.14.6. Affected is the function H5SM_delete of the file H5SM.c of the component h5 File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.
Affected products
- Vendor n/a Product HDF5 Defaultn/a
- Version 1.14.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | HDF5 | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:H/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Mar 10, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2025–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (4 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.49% (0.00491) | 40.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.46% (0.00462) | 36.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00039) | 8.70th | v4 (v2025.03.14) |
| Mar 11, 2025 | 0.05% (0.00051) | 23.11th | v3 (v2023.03.01) |
References (5)
- https://github.com/HDFGroup/hdf5/issues/5329 issue-trackingExploitIssue Tracking
- https://github.com/sae-as-me/Crashes/raw/refs/heads/main/hdf5/h5_extended_crash.h5 exploit
- https://vuldb.com/?ctiid.299064 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.299064 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.510819 third-party-advisoryThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/HDFGroup/hdf5/issues/5329 | issue-trackingExploitIssue Tracking | |
| https://github.com/sae-as-me/Crashes/raw/refs/heads/main/hdf5/h5_extended_crash.h5 | exploit | |
| https://vuldb.com/?ctiid.299064 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.299064 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.510819 | third-party-advisoryThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.