Description
HDF5 Library through 1.14.3 contains a out-of-bounds read operation in H5FL_arr_malloc in H5FL.c (called from H5S_set_extent_simple in H5S.c).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | hdf5 | 1.14.5+repack-1 | — |
| Debian 13 | hdf5 | 1.14.5+repack-1 | — |
| Debian 12 | hdf5 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | hdf5 | No fix yet | — |
| Ubuntu 22.04 LTS | hdf5 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | hdf5 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | hdf5 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | hdf5 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | hdf5 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux Ai 1 | hdf5 +5 | 1.14.6-3.1.el9ai | RHSA-2025:3801 |
| Red Hat Enterprise Linux Ai 1 | libaec +1 | 1.1.3-1.el9ai | RHSA-2025:3801 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | hdf5 | 1.14.4.3-1 | — |
| Azure Linux 2 (CBL-Mariner) | hdf5 | 1.14.4-1 | — |
Advisories 2
- RHSA-2025:3801 Red Hat Security Advisory: RHEL AI 1.5 hdf5 security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- WID-SEC-2025-0951 Red Hat Enterprise Linux AI (HDF5): Mehrere Schwachstellen BSI CERT-Bund (WID) · May 6, 2025