Which versions of HDF5 are affected by CVE-2025-2926?

Organizations using HDF5 should be aware of moderate risk from CVE-2025-2926 rated CVSS 4.8. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2025-2926?

Yes, a public proof-of-concept exploit is available for CVE-2025-2926. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-2926?

Within 30 days: Identify affected systems running HDF5 and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

HDF5 CVE-2025-2926

Q: What is the CVSS score of CVE-2025-2926?

CVE-2025-2926 has a CVSS 4.0 base score of 1.9 (Low). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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. EPSS exploitation probability: 0.1%.

LOW

Improper Resource Shutdown or Release (CWE-404)

2025-03-28 cna@vuldb.com

Denial Of Service

1.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

1.9 LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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

SUSE

1.7 LOW

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Red Hat

3.3 LOW

qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.8 (MEDIUM) 1.9 (LOW)

Patch released

Apr 05, 2026 - 20:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:33 vuln.today

PoC Detected

Jul 24, 2025 - 10:15 vuln.today

Public exploit code

CVE Published

Mar 28, 2025 - 20:15 nvd

MEDIUM 4.8

DescriptionCVE.org

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5O__cache_chk_serialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic.c. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-404. A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. Affected products include: Hdfgroup Hdf5. Version information: up to 1.14.6.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Vendor StatusVendor

SUSE

Severity: Low

Product	Status
openSUSE Leap 15.6	Fixed
SUSE Linux Enterprise High Performance Computing 12 SP5	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS	Fixed
SUSE Linux Enterprise Module for HPC 12	Fixed

CVE-2025-2926 vulnerability details – vuln.today

Back

SUSE Linux Enterprise Module for HPC 15 SP6	Fixed
SUSE Linux Enterprise Server 12 SP5	Fixed
SUSE Linux Enterprise Server 15 SP6-LTSS	Fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5	Fixed
SUSE Linux Enterprise High Performance Computing 12 SP2	Fixed
SUSE Linux Enterprise High Performance Computing 12 SP3	Fixed
SUSE Linux Enterprise High Performance Computing 12 SP4	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP6	Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6	Fixed
SUSE Linux Enterprise Server 12 SP2	Fixed
SUSE Linux Enterprise Server 12 SP3	Fixed
SUSE Linux Enterprise Server 12 SP4	Fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP2	Fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP3	Fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4	Fixed

HDF5 CVE-2025-2926

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

Vendor StatusVendor

SUSE

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External POC / Exploit Code