CVE-2025-6818

NameCVE-2025-6818
DescriptionA vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1108480

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
hdf5 (PTS)bullseye1.10.6+repack-4+deb11u1vulnerable
bookworm1.10.8+repack1-1vulnerable
sid, trixie1.14.5+repack-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
hdf5source(unstable)(unfixed)unimportant1108480

Notes

https://github.com/HDFGroup/hdf5/issues/5573
Negligible security impact

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