CVE-2025-6750

Name	CVE-2025-6750
Description	A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5O__mtime_new_encode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1108409

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
hdf5 (PTS)	bullseye	1.10.6+repack-4+deb11u1	vulnerable
	bookworm	1.10.8+repack1-1	vulnerable
	trixie	1.14.5+repack-3	vulnerable
	forky, sid	1.14.6+repack-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
hdf5	source	(unstable)	(unfixed)	unimportant		1108409

Notes

https://github.com/HDFGroup/hdf5/issues/5549
https://github.com/HDFGroup/hdf5/pull/5856
https://github.com/HDFGroup/hdf5/commit/86149a098837a37b2513746e9baf84010f75fb54
HDF not covered by security support, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117722