CVE-2026-17573

unknowncovered by 1 sourcefirst seen 2026-07-27

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.

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Exploitation outlook

Low exploitation risk0.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-17573: A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file…nvd · 2026-07-27

External references

NVD record for CVE-2026-17573

CVE.org record

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