CVE-2025-2308: hdf5 Buffer Overflow — Exploit

Description

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. This affects the function H5Z__scaleoffset_decompress_one_byte of the component Scale-Offset Filter. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
hdfgroup	hdf5	All

References

Exploits

https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc2.md

Other References

https://vuldb.com/?ctiid.299721 https://vuldb.com/?id.299721 https://vuldb.com/?submit.514531

Frequently Asked Questions

What is CVE-2025-2308? +

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. This affects the function H5Z__scaleoffset_decompress_one_byte of the component Scale-Offset Filter. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-2308? +

CVE-2025-2308 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-2308? +

CVE-2025-2308 affects products from hdfgroup, specifically: hdf5. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2308? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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