CVE-2026-17574
CVE-2026-17574 is a medium-severity vulnerability in Hdfgroup Hdf5 with a CVSS 3.x base score of 5.5. 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-476.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v4: 5.2
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Hdfgroup Hdf5
- Published:
- Last modified:
Description
HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type field may cause the application to crash when the attribute is read.
Frequently asked questions
- What is CVE-2026-17574?
- HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type field may cause the application to crash when the attribute is read.
- How severe is CVE-2026-17574?
- CVE-2026-17574 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-17574 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-17574?
- CVE-2026-17574 affects Hdfgroup Hdf5. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-17574?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-17574 published?
- CVE-2026-17574 was published on 2026-07-27 and last updated on 2026-08-18.
References
Affected products (1)
- cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*
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