CVE-2025-2923

Name	CVE-2025-2923
Description	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.
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	1103534

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	2.1.0+repack-1	fixed
	sid	2.2.0+repack-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
hdf5	source	(unstable)	2.1.0+repack-1	unimportant		1103534

Notes

https://github.com/HDFGroup/hdf5/issues/5381
https://github.com/HDFGroup/hdf5/pull/5829
https://github.com/HDFGroup/hdf5/commit/29c847a43db0cdc85b01cafa5a7613ea73932675 (2.0.0)
HDF not covered by security support, see https://bugs.debian.org/1117722