UBUNTU-CVE-2026-19028

H5Zfilterfletcher32 in H5Zfletcher32.c in HDF5 through 2.3.0 computes the data length to checksum by subtracting the 4-byte trailing checksum size from the input buffer size without checking that the buffer is at least 4 bytes, allowing a sizet underflow. This allows attackers to cause a denial o...

PT-2022-7545

Name of the Vulnerable Software and Affected Versions HDF5 versions prior to 1.14.4 Description The issue is related to a buffer overflow in the H5Z filter fletcher32 function of the HDF5 library, which can lead to corruption of the instruction pointer. This can cause denial of service or...