High severity · published Mar 14, 2025
CVE-2025-2309
HDF5 Type Conversion Logic H5T__bit_copy heap-based overflow
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5T__bit_copy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% 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-2025-2309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2309
Exploit
https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc3.md
Permissions Required
https://vuldb.com/?ctiid.299722
Third Party Advisory
https://vuldb.com/?id.299722
Third Party Advisory
https://vuldb.com/?submit.514532
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