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hdf5

r-bioc-rhdf5lib

A heap-based buffer overflow vulnerability exists in the H5VM_array_fill() function in src/H5VM.c in HDF5 versions before 2.2.0. This flaw allows a remote attacker to cause an application crash and potentially execute arbitrary code by using a specially crafted HDF5 file. The vulnerability arises when reading a dataset's unallocated chunks, where inconsistent metadata causes writes beyond the allocated buffer size. The attacker can control the content written via the fill value stored in the file.

The vulnerability is a heap-based buffer overflow in the H5VM_array_fill() function of HDF5 prior to version 2.2.0. Specifically, when unallocated chunks of a dataset are read, the function H5D__fill_init() fills the fill-value buffer using datatype and dataspace metadata from the file. If this metadata is inconsistent with the buffer's allocated size, the function writes past the end of the buffer, leading to a heap overflow. Since the attacker controls the fill value stored in the file, they can influence the data written, potentially causing an application crash or arbitrary code execution.

A heap-based buffer overflow vulnerability exists in the H5VM_array_fill() function in src/H5VM.c in HDF5 versions before 2.2.0. This flaw allows a remote attacker to cause an application crash and potentially execute arbitrary code by using a specially crafted HDF5 file. The vulnerability arises wh

A heap-based buffer overflow in H5VM_array_fill() in src/H5VM.c in HDF5 before 2.2.0 lets a remote attacker cause an application crash and possibly… (CVE-2026-106547)

Threats Tagged 'ubuntu-cve-2026-106547'

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