CVE-2025-2923: HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow
First published: Fri Mar 28 2025(Updated: )
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.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HDF5 | <=1.14.6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-2923?
CVE-2025-2923 is classified as a problematic severity vulnerability.
How do I fix CVE-2025-2923?
To fix CVE-2025-2923, upgrade HDF5 to version 1.14.7 or later.
What is the impact of CVE-2025-2923?
CVE-2025-2923 can lead to a heap-based buffer overflow when manipulating arguments in the H5F_addr_encode_len function.
Who is affected by CVE-2025-2923?
Users of HDF5 versions up to 1.14.6 are affected by CVE-2025-2923.
Is local access required to exploit CVE-2025-2923?
Yes, local access is required to exploit the vulnerability described in CVE-2025-2923.
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