CVE-2025-2308: HDF5 Scale-Offset Filter H5Z__scaleoffset_decompress_one_byte heap-based overflow

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-14 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

HDF5: 1.14.6

References

https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc2.md
https://vuldb.com/?ctiid.299721
https://vuldb.com/?id.299721
https://vuldb.com/?submit.514531

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