CVE-2026-120757 | HDF Group HDF5 up to 2.2.x External Link Traversal src/H5Lexternal.c H5L__extern_traverse heap-based overflow

A vulnerability, which was classified as critical, has been found in HDF Group HDF5 up to 2.2.x. This impacts the function H5L__extern_traverse of the file src/H5Lexternal.c of the component External Link Traversal. This manipulation causes heap-based buffer overflow.

This vulnerability is tracked as CVE-2026-120757. The attack is possible to be carried out remotely. No exploit exists.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More