CVE-2025-2923

LOW 3.3

HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

CWE	CWE-122 CWE-119
Vendor	n/a
Product	hdf5
Published	Mar 28, 2025
Last Updated	Jun 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / HDF5

1.14.0 1.14.1 1.14.2 1.14.3 1.14.4 1.14.5 1.14.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.301898 vuldb.com: https://vuldb.com/?ctiid.301898 vuldb.com: https://vuldb.com/?submit.521151 github.com: https://github.com/HDFGroup/hdf5/issues/5381

Credits

Chen Lihai