OESA-2026-2262 hdf5 security update

HDF5 is a data model, library, and file format for storing and managing data. It supports an unlimited variety of datatypes, and is designed for flexible and efficient I/O and for high volume and complex data. HDF5 is portable and is extensible, allowing applications to evolve in their use of HDF...

CVE-2026-8088

A weakness has been identified in OSGeo gdal up to 3.13.0dev-4. The affected element is the function GDfieldinfo of the file frmts/hdf4/hdf-eos/GDapi.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the...

PYSEC-2026-2153

A vulnerability was determined in OSGeo gdal up to 3.13.0dev-4. This vulnerability affects the function memmove of the file frmts/hdf4/hdf-eos/SWapi.c of the component HDF-EOS Grid File Handler. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit...

JLSEC-2026-332

A vulnerability classified as problematic was found in HDF5 up to 1.14.6. This vulnerability affects the function H5Faccumfree of the file src/H5Faccum.c. The manipulation of the argument overlapsize leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been...

JLSEC-2026-297

HDF5 through 1.14.3 contains a stack buffer overflow in H5Rdecodeheap, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-340

A vulnerability, which was classified as critical, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5FSsectfindnode of the file H5FSsection.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has...

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-2026-321

HDF5 Library through 1.14.3 has a heap buffer overflow in H5Omtimenewencode in H5Omtime.c...

JLSEC-2026-343

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5Ofsinfoencode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to...

JLSEC-2026-312

HDF5 Library through 1.14.3 contains a heap-based buffer over-read caused by the unsafe use of strdup in H5MMxstrdup in H5MM.c called from H5Genttolink in H5Glink.c...

JLSEC-2026-346

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FLreggclist of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used...

JLSEC-2026-337

hdf5 v1.14.6 was discovered to contain a heap buffer overflow via the H5VMmemcpyvv function...

JLSEC-2026-315

HDF5 Library through 1.14.3 contains a heap-based buffer over-read in H5Faddrdecodelen in H5Fint.c, resulting in the corruption of the instruction pointer...

JLSEC-2026-323

HDF5 Library through 1.14.3 has a heap buffer overflow in H5Spointdeserialize in H5Spoint.c...

JLSEC-2026-302

HDF5 Library through 1.14.3 has a SEGV in H5Aclose in H5Aint.c, resulting in the corruption of the instruction pointer...

JLSEC-2026-333

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5Faddrencodelen of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has...

JLSEC-2026-298

HDF5 through 1.14.3 contains a buffer overflow in H5Zfilterfletcher32, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-325

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. Affected is the function H5SMdelete of the file H5SM.c of the component h5 File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The complexity of an attack is...

JLSEC-2026-330

A vulnerability was found in HDF5 up to 1.14.6. It has been rated as critical. Affected by this issue is the function H5FLblkgclist of the file src/H5FL.c. The manipulation of the argument H5FLblkheadt leads to use after free. An attack has to be approached locally. The exploit has been disclosed...

JLSEC-2026-335

A vulnerability has been found in HDF5 up to 1.14.6 and classified as problematic. This vulnerability affects the function H5MMrealloc of the file src/H5MM.c. The manipulation of the argument mem leads to double free. The attack needs to be approached locally. The exploit has been disclosed to th...