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Description

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A vulnerability, which was classified as critical, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5FS__sect_find_node of the file 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.

Eine kritische Schwachstelle wurde in HDF5 bis 1.14.6 entdeckt. Hierbei geht es um die Funktion H5FS__sect_find_node der Datei H5FSsection.c. Mittels dem Manipulieren mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-06-19 | Published 2025-06-19 | Updated 2025-06-23 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2025-06-19:Advisory disclosed
2025-06-19:VulDB entry created
2025-06-19:VulDB entry last update

Credits

Rulkallos (VulDB User) reporter

References

github.com/HDFGroup/hdf5/issues/5580 exploit

vuldb.com/?id.313274 (VDB-313274 | HDF5 H5FSsection.c H5FS__sect_find_node heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.313274 (VDB-313274 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.592588 (Submit #592588 | HDF5 1.14.6 Heap-based Buffer Overflow) third-party-advisory

github.com/HDFGroup/hdf5/issues/5580 issue-tracking

github.com/user-attachments/files/20626642/reproduce.tar.gz exploit

cve.org (CVE-2025-6270)

nvd.nist.gov (CVE-2025-6270)

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