Medium severity · published Jul 4, 2025
CVE-2025-7069
HDF5 H5FSsection.c H5FS__sect_link_size heap-based overflow
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FS__sect_link_size of the file src/H5FSsection.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HD
HDF5 ·
1.14.6 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7069
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7069
Exploit
https://github.com/HDFGroup/hdf5/issues/5550
Exploit
https://github.com/user-attachments/files/20438481/hdf5_crash_2.txt
Permissions Required
https://vuldb.com/?ctiid.314904
Third Party Advisory
https://vuldb.com/?id.314904
Third Party Advisory
https://vuldb.com/?submit.602538
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