CVE-2026-17573

Published Jul 27, 2026 Modified Jul 27, 2026 CWE-415

Description

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.

Is your site exposed to CVE-2026-17573?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-415 CWE-415

References

Frequently Asked Questions

What is CVE-2026-17573? +
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.
How do I check if I'm vulnerable to CVE-2026-17573? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-17573 — free, no signup required.