PT-2025-27357 · Hdf5+1 · Hdf5+1

Jjleo · Published 2025-06-29 · Updated 2026-01-16 · CVE-2025-6856

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description: A problematic issue was found in the function H5FL reg gc list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement.

Recommendations: For HDF5 version 1.14.6, as a temporary workaround, consider disabling the H5FL reg gc list 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

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2025-6856

ECHO-39A6-65D4-80EB

OESA-2026-1131

OESA-2026-1132

OESA-2026-1133

OESA-2026-1134

OESA-2026-1135

Affected Products

Debian

Hdf5

References · 45

• 🔥 https://github.com/HDFGroup/hdf5/issues/5574 · Exploit
• 🔥❌ https://github.com/user-attachments/files/20623417/hdf5_crash_6.txt · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2025-6816 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6857 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6269 · Security Note
• https://ubuntu.com/security/CVE-2025-6856 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-2925 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2310 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6750 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6818 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-6856 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6856 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-7067 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2153 · Security Note
• https://osv.dev/vulnerability/OESA-2026-1132 · Vendor Advisory