PT-2026-39389 · Julia · Hdf5 Jll

Published 2026-04-29 · Updated 2026-04-29

OSV

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O fsinfo encode 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 the public and may be used.

Related Identifiers

JLSEC-2026-343

Affected Products

Hdf5 Jll

References · 6

• https://osv.dev/vulnerability/JLSEC-2026-343 · Vendor Advisory
• https://github.com/HDFGroup/hdf5/issues/5571 · Note
• https://vuldb.com/?ctiid.314254 · Note
• https://vuldb.com/?id.314254 · Note
• ❌ https://github.com/user-attachments/files/20623354/hdf5_crash_3.txt · Note, Deleted
• https://vuldb.com/?submit.602291 · Note