PT-2025-27295 · Hdf5+1 · Hdf5+1

Jjleo · Published 2025-06-28 · Updated 2025-07-01 · CVE-2025-6817

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: HDF5 version 1.14.6

Description: A vulnerability has been found in HDF5, affecting the function H5C load entry of the file /src/H5Centry.c. The manipulation leads to resource consumption. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Recommendations: As a temporary workaround, consider disabling the H5C load entry function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Resource Release

Resource Exhaustion

Weakness Enumeration

CWE-404

CWE-400

Related Identifiers

BDU:2026-00151

CVE-2025-6817

ECHO-1EC9-A1B3-6A19

Affected Products

Debian

Hdf5

References · 18

• 🔥 https://github.com/HDFGroup/hdf5/issues/5572 · Exploit
• 🔥❌ https://github.com/user-attachments/files/20623368/hdf5_crash_4.txt · Exploit, Deleted
• https://cve.org/CVERecord?id=CVE-2025-6817 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6817 · Security Note
• https://ubuntu.com/security/CVE-2025-6817 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-6817 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-6817 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-6817 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00151 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-6817 · Vendor Advisory
• https://t.me/cvenotify/126978 · Telegram Post
• https://t.me/cvetracker/27304 · Telegram Post
• https://twitter.com/CVEnew/status/1938924990616707173 · Twitter Post
• https://vuldb.com/?id.314255 · Note
• https://vuldb.com/?ctiid.314255 · Note