CVE-2025-6750 | THREATINT

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.

Eine problematische Schwachstelle wurde in HDF5 1.14.6 entdeckt. Betroffen davon ist die Funktion H5O__mtime_new_encode der Datei src/H5Omtime.c. Durch das Beeinflussen mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-26 | Published 2025-06-27 | Updated 2025-06-27 | 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

2025-06-26:	Advisory disclosed
2025-06-26:	VulDB entry created
2025-06-26:	VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

vuldb.com/?id.314048 (VDB-314048 | HDF5 H5Omtime.c H5O__mtime_new_encode heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.314048 (VDB-314048 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.601017 (Submit #601017 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) Heap-based Buffer Overflow) third-party-advisory

github.com/HDFGroup/hdf5/issues/5549 issue-tracking

github.com/user-attachments/files/20438441/hdf5_crash_1.txt exploit

cve.org (CVE-2025-6750)

nvd.nist.gov (CVE-2025-6750)

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