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A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FS__sect_link_size of the file src/H5FSsection.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Es wurde eine Schwachstelle in HDF5 1.14.6 gefunden. Sie wurde als problematisch eingestuft. Betroffen hiervon ist die Funktion H5FS__sect_link_size der Datei src/H5FSsection.c. Durch das Manipulieren mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-07-04 | Published 2025-07-04 | Updated 2025-07-08 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2025-07-04:Advisory disclosed
2025-07-04:VulDB entry created
2025-07-04:VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

github.com/HDFGroup/hdf5/issues/5550 exploit

vuldb.com/?id.314904 (VDB-314904 | HDF5 H5FSsection.c H5FS__sect_link_size heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.314904 (VDB-314904 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.602538 (Submit #602538 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) Heap-based Buffer Overflow) third-party-advisory

github.com/HDFGroup/hdf5/issues/5550 issue-tracking

github.com/user-attachments/files/20438481/hdf5_crash_2.txt exploit

cve.org (CVE-2025-7069)

nvd.nist.gov (CVE-2025-7069)

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