CVE-2017-17509
CVE-2017-17509 is a high-severity vulnerability in Hdfgroup Hdf5 with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Hdfgroup Hdf5
- Published:
- Last modified:
Description
In HDF5 1.10.1, there is an out of bounds write vulnerability in the function H5G__ent_decode_vec in H5Gcache.c in libhdf5.a. For example, h5dump would crash or possibly have unspecified other impact someone opens a crafted hdf5 file.
Frequently asked questions
- What is CVE-2017-17509?
- In HDF5 1.10.1, there is an out of bounds write vulnerability in the function H5G__ent_decode_vec in H5Gcache.c in libhdf5.a. For example, h5dump would crash or possibly have unspecified other impact someone opens a crafted hdf5 file.
- How severe is CVE-2017-17509?
- CVE-2017-17509 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-17509 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-17509?
- CVE-2017-17509 affects Hdfgroup Hdf5. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-17509?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-17509 published?
- CVE-2017-17509 was published on 2017-12-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:hdfgroup:hdf5:1.10.1:*:*:*:*:*:*:*
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