Description
A vulnerability, which was classified as critical, was found in HDF5 1.14.6. Affected is the function H5SM_delete 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 rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | HDF5 | 1.14.6 | — |
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 | 2.1.0+repack-1 | — |
| Debian 13 | hdf5 | No fix yet | — |
| Debian 12 | hdf5 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | hdf5 +2 | No fix yet | — |
| Ubuntu 26.04 LTS | hdf5 +2 | No fix yet | — |
| Ubuntu 25.10 | hdf5 +2 | No fix yet | — |
| Ubuntu 24.04 LTS | hdf5 +2 | No fix yet | — |
| Ubuntu 22.04 LTS | hdf5 +2 | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | paraview +1 | No fix yet | — |
| Ubuntu 18.04 LTS | paraview +1 | No fix yet | — |
| Ubuntu 16.04 LTS | paraview +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | hdf5 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | hdf5 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | hdf5 +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | hdf5 | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | hdf5 | 1.14.6-1 | — |
| Azure Linux 2 (CBL-Mariner) | hdf5 | 1.14.6-1 | — |
References
- VDB-299064 | HDF5 h5 File H5SM.c H5SM_delete heap-based overflow vdb-entry technical-description
- VDB-299064 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #510819 | https://github.com/HDFGroup/hdf5 hfd5 v1.14.6 Heap-based Buffer Overflow third-party-advisory
- https://github.com/HDFGroup/hdf5/issues/5329 issue-tracking
- https://github.com/sae-as-me/Crashes/raw/refs/heads/main/hdf5/h5_extended_crash.h5 exploit