Description
Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.
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 | 1.10.6+repack-2 | — |
| Debian 13 | hdf5 | 1.10.6+repack-2 | — |
| Debian 12 | hdf5 | 1.10.6+repack-2 | — |
| Debian 10 | hdf5 | 1.10.4+repack-10+deb10u1 | DLA-3522-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | hdf5 | 1.10.4+repack-11ubuntu1+esm1 | USN-5272-1 |
| Ubuntu Pro 18.04 LTS | hdf5 | 1.10.0-patch1+docs-4ubuntu0.1~esm2 | USN-5272-1 |
| Ubuntu Pro 16.04 LTS | hdf5 | 1.8.16+docs-4ubuntu1.1+esm2 | USN-5272-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | hdf5 | 1.8.11-5ubuntu7.1+esm2 | USN-5272-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | hdf5_1_10_8-gnu-hpc +1 | 1.10.8-150300.4.3.1 | SUSE-SU-2022:1912-1 |
| SLES 15 SP3 | hdf5_1_10_8-gnu-mpich-hpc +2 | 1.10.8-150300.4.3.2 | SUSE-SU-2022:1912-1 |
| SLES 12 | hdf5_1_10_8-gnu-hpc +2 | 1.10.8-3.12.2 | SUSE-SU-2022:1933-1 |
| SLES 12 | suse-hpc | 0.5.20220206.0c6b168-5.2 | SUSE-SU-2022:1933-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE HPC 15 SP2 | hdf5_1_10_8-gnu-hpc +3 | 1.10.8-150200.8.4.2 | SUSE-SU-2022:1910-1 |
| SLE HPC 15 SP2 | hdf5_1_10_8-gnu-mpich-hpc | 1.10.8-150200.8.4.3 | SUSE-SU-2022:1910-1 |
| SLE HPC 15 SP1 | hdf5_1_10_8-gnu-hpc +3 | 1.10.8-150100.7.4.3 | SUSE-SU-2022:1903-1 |
| SLE HPC 15 | hdf5_1_10_8-gnu-hpc +3 | 1.10.8-150000.8.4.3 | SUSE-SU-2022:1911-1 |
| SLE HPC 15 | suse-hpc | 0.5.20220206.0c6b168-150000.11.3.1 | SUSE-SU-2022:1911-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | hdf5_1_10_8-gnu-hpc +1 | 1.10.8-150300.4.3.1 | SUSE-SU-2022:1912-1 |
| openSUSE Leap 15.4 | hdf5_1_10_8-gnu-mpich-hpc +2 | 1.10.8-150300.4.3.2 | SUSE-SU-2022:1912-1 |
| openSUSE Leap 15.3 | hdf5_1_10_8-gnu-hpc +1 | 1.10.8-150300.4.3.1 | SUSE-SU-2022:1912-1 |
| openSUSE Leap 15.3 | hdf5_1_10_8-gnu-mpich-hpc +2 | 1.10.8-150300.4.3.2 | SUSE-SU-2022:1912-1 |
Advisories 7
- USN-5272-1 hdf5 vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-3522-1 hdf5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:1933-1 Security update for hdf5, suse-hpc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1910-1 Security update for hdf5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1912-1 Security update for hdf5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1911-1 Security update for hdf5, suse-hpc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1903-1 Security update for hdf5 SUSE / openSUSE Security Updates · Feb 4, 2026