What is GHSA-c7cf-qx8c-5ph7?

GHSA-c7cf-qx8c-5ph7 is a security advisory published by GitHub Security Advisories with High severity. NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.1.1 allows attackers to cause a...

Which CVE IDs does GHSA-c7cf-qx8c-5ph7 cover?

GHSA-c7cf-qx8c-5ph7 covers the following CVE IDs: CVE-2026-19024. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-c7cf-qx8c-5ph7High

NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.1.1 allows attackers to cause a...

Vendor

GitHub Security Advisories

Published

August 6, 2026

Last Modified

August 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-19024 →

📋 Description

NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.1.1 allows attackers to cause a denial of service via a dataset whose version 1 or 2 fill value message has the "defined" flag set together with a negative size field, which is not normalized to the library's "undefined" sentinel and reaches H5T_path_find with a NULL datatype.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-19024
https://github.com/HDFGroup/hdf5/issues/6487
https://github.com/advisories/GHSA-c7cf-qx8c-5ph7