CVE-2025-6269 | THREATINT

Description

A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected by this vulnerability is the function H5C__reconstruct_cache_entry of the file H5Cimage.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.

In HDF5 bis 1.14.6 wurde eine kritische Schwachstelle entdeckt. Dabei geht es um die Funktion H5C__reconstruct_cache_entry der Datei H5Cimage.c. Durch Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-19 | Published 2025-06-19 | Updated 2025-06-19 | 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

vuldb.com/?id.313273 (VDB-313273 | HDF5 H5Cimage.c H5C__reconstruct_cache_entry heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.313273 (VDB-313273 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.592587 (Submit #592587 | HDF5 1.14.6 Heap-based Buffer Overflow) third-party-advisory

github.com/HDFGroup/hdf5/issues/5579 issue-tracking

github.com/user-attachments/files/20626503/reproduce.tar.gz exploit

cve.org (CVE-2025-6269)

nvd.nist.gov (CVE-2025-6269)

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