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Fencer Vulns
medium 5.5

CVE-2020-10812 json

An issue was discovered in HDF5 through 1.12.0.

published 2020-03-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3218

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

An issue was discovered in HDF5 through 1.12.0. A NULL pointer dereference exists in the function H5F_get_nrefs() located in H5Fquery.c. It allows an attacker to cause Denial of Service.

Patch / fix

  • hdf5_1_10_11-gnu-hpc SLE Module for HPC 12 1.10.11-3.21.1
  • hdf5_1_10_11-gnu-mvapich2-hpc SLE Module for HPC 12 1.10.11-3.21.1
  • hdf5_1_10_11-gnu-openmpi1-hpc SLE Module for HPC 12 1.10.11-3.21.1
  • hdf5_1_10_11-gnu-hpc SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP5, openSUSE Leap 15.5 1.10.11-150400.3.12.1
  • hdf5_1_10_11-gnu-mpich-hpc SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP5, openSUSE Leap 15.5 1.10.11-150400.3.12.1
  • hdf5_1_10_11-gnu-mvapich2-hpc SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP5, openSUSE Leap 15.5 1.10.11-150400.3.12.1
  • hdf5_1_10_11-gnu-openmpi3-hpc SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP5, openSUSE Leap 15.5 1.10.11-150400.3.12.1
  • hdf5_1_10_11-gnu-openmpi4-hpc SLE Module for Package Hub 15 SP5, SLE Module for HPC 15 SP5, openSUSE Leap 15.5 1.10.11-150400.3.12.1

suse advisories SUSE-SU-2024:3144-1SUSE-SU-2024:0882-1SUSE-SU-2024:0538-1SUSE-SU-2022:3829-1SUSE-SU-2022:3828-1SUSE-SU-2022:3827-1

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-2020-10812 updated cvss 5.5

hdf5: Null pointer dereference in function H5F_get_nrefs() in H5Fquery.c

  • Red Hat OpenShift Container Platform 4 hdf5, hdf5-mpich, hdf5-openmpi Red Hat OpenStack Platform 10 (Newton) hdf5 Red Hat OpenStack Platform 13 (Queens) hdf5 Red Hat OpenStack Platform 15 (Stein) hdf5 Red Hat OpenStack Platform 16 (Train) hdf5
    affected: no fix planned “Will not fix”

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

Exploit prediction

1.51% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • research.loginsoft.com https://research.loginsoft.com/bugs/null-pointer-dereference-in-h5fquery-c-hdf5-1-13-0/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

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.