Description
A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len 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 been disclosed to the public and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | HDF5 | 1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 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 | No fix yet | — |
| Ubuntu 26.04 LTS | hdf5 | No fix yet | — |
| Ubuntu 25.10 | hdf5 | No fix yet | — |
| Ubuntu 24.04 LTS | hdf5 | No fix yet | — |
| Ubuntu 22.04 LTS | hdf5 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | hdf5 | No fix yet | — |
References
- VDB-301898 | HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow vdb-entry technical-description
- VDB-301898 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #521151 | https://github.com/HDFGroup/hdf5 HDF5 1.14.6 Heap-based Buffer Overflow third-party-advisory
- https://github.com/HDFGroup/hdf5/issues/5381 exploit issue-tracking