CVE-2025-6269 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Hdf5

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-122 — Heap-based Buffer Overflow6 documents6 sources
Severity
4.8MEDIUMNVD
EPSS
0.1%
top 64.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Hdfgroup Hdf5Debian Hdf5Msrc Azl3 Hdf5 1.14.4.3-1 ON Azure Linux 3.0+3 more
Timeline
PublishedJun 19

Description

A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected by this vulnerability is the function H5C__reconstruct_cache_entry of the file H5Cimage.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected Packages7 packages

▶NVDhdfgroup/hdf51.14.6
▶debiandebian/hdf5
▶CVEListV5hdfgroup/hdf57 versions+6

🔴Vulnerability Details

2
GHSA
GHSA-hp87-2chw-7hmc: A vulnerability classified as critical was found in HDF5 up to 1↗2025-06-19
▶
OSV
CVE-2025-6269: A vulnerability classified as critical was found in HDF5 up to 1↗2025-06-19
▶

📋Vendor Advisories

3
Red Hat
hdf5: HDF5 heap-based overflow↗2025-06-19
▶
Microsoft
HDF5 H5Cimage.c H5C__reconstruct_cache_entry heap-based overflow↗2025-06-10
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Debian
CVE-2025-6269: hdf5 - A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected ...↗2025
▶