How severe is CVE-2025-2310?

CVE-2025-2310 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-2310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2310?

CVE-2025-2310 affects Hdfgroup Hdf5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2310?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-2310 have an EU (EUVD) identifier?

Yes. CVE-2025-2310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7561.

When was CVE-2025-2310 published?

CVE-2025-2310 was published on 2025-03-14 and last updated on 2026-06-17.

CVE-2025-2310

CVE-2025-2310 is a medium-severity vulnerability in Hdfgroup Hdf5 with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 4.8
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7561
Weakness: CWE-787
Affected product: Hdfgroup Hdf5
Published: 2025-03-14
Last modified: 2026-06-17

Description

A vulnerability was found in HDF5 1.14.6 and classified as critical. This issue affects the function H5MM_strndup of the component Metadata Attribute Decoder. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

Frequently asked questions

What is CVE-2025-2310?: A vulnerability was found in HDF5 1.14.6 and classified as critical. This issue affects the function H5MM_strndup of the component Metadata Attribute Decoder. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.
How severe is CVE-2025-2310?: CVE-2025-2310 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-2310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2310?: CVE-2025-2310 affects Hdfgroup Hdf5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-2310 have an EU (EUVD) identifier?: Yes. CVE-2025-2310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7561.
When was CVE-2025-2310 published?: CVE-2025-2310 was published on 2025-03-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*

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