JLSEC-2026-341

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5Faddrdecodelen of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to...

JLSEC-2026-350

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5FLmalloc of the file src/H5FL.c. The manipulation leads to memory leak. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used...

JLSEC-2026-290

HDF5 through 1.14.3 contains a heap buffer overflow in H5HGread, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

PT-2026-31938

HDF5 is software for managing data. In 1.14.1-2 and earlier, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition in the H5T ref mem setnull method. This can lead to a denial-of-service condition, and potentially further issues such as...

CVE-2026-34734

HDF5 is software for managing data. In 1.14.1-2 and earlier, a heap-use-after-free was found in the h5dump helper utility. An attacker who can supply a malicious h5 file can trigger a heap use-after-free. The freed object is referenced in a memmove call from H5Tconvstruct. The original object was...

SUSE CVE-2025-2914

A vulnerability classified as problematic has been found in HDF5 up to 1.14.6. This affects the function H5FSsinfoSrializeSctcb of the file src/H5FScache.c. The manipulation of the argument sect leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has...

AZL-40705 CVE-2024-32609 affecting package hdf5 for versions less than 1.14.4-1

HDF5 Library through 1.14.3 allows stack consumption in the function H5Eprintfstack in H5Eint.c...

UBUNTU-CVE-2020-10810

An issue was discovered in HDF5 through 1.12.0. A NULL pointer dereference exists in the function H5ACunpinentry located in H5AC.c. It allows an attacker to cause Denial of Service...

UBUNTU-CVE-2018-14460

An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer over-read in the function H5Osdspacedecode in H5Osdspace.c...