CVE-2025-6857 | THREATINT

Description

A vulnerability has been found in HDF5 1.14.6 and classified as problematic. Affected by this vulnerability is the function H5G__node_cmp3 of the file src/H5Gnode.c. The manipulation leads to stack-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.

In HDF5 1.14.6 wurde eine Schwachstelle gefunden. Sie wurde als problematisch eingestuft. Hierbei betrifft es die Funktion H5G__node_cmp3 der Datei src/H5Gnode.c. Durch Manipulation mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-28 | Published 2025-06-29 | Updated 2025-06-29 | 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

Stack-based Buffer Overflow

Memory Corruption

Timeline

2025-06-28:	Advisory disclosed
2025-06-28:	VulDB entry created
2025-06-28:	VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

vuldb.com/?id.314329 (VDB-314329 | HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.314329 (VDB-314329 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.602529 (Submit #602529 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) Uncontrolled Recursion) third-party-advisory

github.com/HDFGroup/hdf5/issues/5575 issue-tracking

github.com/user-attachments/files/20623442/hdf5_crash_7.txt exploit

cve.org (CVE-2025-6857)

nvd.nist.gov (CVE-2025-6857)

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