CVE-2026-17573

EUVD-2026-49319
A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2.4%
Affected Products (NVD)
VendorProductVersion
hdfgrouphdf5
𝑥
< 2.2.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
hdf5
bookworm
unimportant
bullseye
postponed
forky
2.1.0+repack-1
fixed
sid
2.2.0+repack-4
fixed
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
hdf5
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Azure Linux logo
Azure Linux Releases
Azure Package
Release
hdf5
Azure Linux 3.0
0:1.14.6-4.azl3
fixed
Common Weakness Enumeration
References
https://github.com/HDFGroup/hdf5/issues/6124
https://github.com/HDFGroup/hdf5/issues/6124