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Fencer Vulns
critical 9.8

CVE-2024-33874 json

HDF5 Library through 1.14.3 has a heap buffer overflow in H5O__mtime_new_encode in H5Omtime.c.

published 2024-05-09 2 y ago modified 2026-07-25 3 mo ago also EUVD-2024-31579 , JLSEC-2026-321

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

HDF5 Library through 1.14.3 has a heap buffer overflow in H5O__mtime_new_encode in H5Omtime.c.

Patch / fix

  • julia HDF5_jll 2.0.0+0
  • hdfgroup hdf5 1.14.4
  • hdf5 Debian 14, Debian 13 1.14.5+repack-1

debian advisories DEBIAN-CVE-2024-33874

  • hdf5 enterprise linux ai 1.5 1.14.6-3.1.el9ai
  • libaec enterprise linux ai 1.5 1.1.3-1.el9ai
  • hdf5-openmpi enterprise linux ai 1.5 1.14.6-3.1.el9ai

red hat advisories RHSA-2025:3801

  • pmix SLE Module for Package Hub 15 SP6, SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP6 +6 more 3.2.3-150300.3.10.1
  • mpich SLE Module for Server Applications 15 SP5, openSUSE Leap 15.5 4.0.2-150500.3.2.1
  • mpich SLE Module for Server Applications 15 SP6, openSUSE Leap 15.6 4.1.2-150600.3.2.1
  • mvapich2 SLE Module for Server Applications 15 SP5, openSUSE Leap 15.5 2.3.7-150500.3.2.1
  • mvapich2 SLE Module for Server Applications 15 SP6, openSUSE Leap 15.6 2.3.7-150600.9.2.1
  • openmpi4 SLE Module for Server Applications 15 SP5, openSUSE Leap 15.5 4.1.4-150500.3.2.1
  • openmpi4 SLE Module for Server Applications 15 SP6, openSUSE Leap 15.6 4.1.6-150600.3.2.1
  • mpich-ofi SLE Module for Server Applications 15 SP5, openSUSE Leap 15.5 4.0.2-150500.3.2.1

suse advisories SUSE-SU-2024:3144-1SUSE-SU-2024:2195-1SUSE-SU-2024:2105-1

  • hdf5 Azure Linux 3.0 1.14.4.3-1
  • hdf5 CBL-Mariner 2.0 1.14.4-1

azure linux advisories AZL-40583AZL-40592

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-33874 updated

hdf5: multiple CVEs

  • Red Hat OpenStack Platform 16.1 hdf5
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AI 1.5 for RHEL 9.4 libaec 1.1.3-1.el9ai, hdf5 1.14.6-3.1.el9ai, hdf5-openmpi 1.14.6-3.1.el9ai
    fixed: vendor fix RHSA-2025:3801

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia HDF5_jll
<2.0.0+0
2.0.0+0

Affected products

  • hdfgroup hdf5

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.