PT-2025-27294 · Hdf5+1 · Hdf5+1

Jjleo · Published 2025-06-06 · Updated 2026-01-16 · CVE-2025-6816

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 was found in HDF5, affecting the function H5O fsinfo encode of the file /src/H5Ofsinfo.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.

Recommendations: For HDF5 version 1.14.6, as a temporary workaround, consider disabling the H5O fsinfo encode function until a patch is available. Restrict access to the /src/H5Ofsinfo.c file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-122

Related Identifiers

AZL-64413

AZL-64437

BDU:2026-03143

CVE-2025-6816

ECHO-0E95-BAD6-F6E2

OESA-2026-1005

OESA-2026-1006

OESA-2026-1007

OESA-2026-1131

OESA-2026-1132

OESA-2026-1133

Affected Products

Debian

Hdf5

References · 55

• 🔥 https://github.com/HDFGroup/hdf5/issues/5571 · Exploit
• 🔥❌ https://github.com/user-attachments/files/20623354/hdf5_crash_3.txt · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2025-2924 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6750 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2310 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6856 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2926 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6516 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6857 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-6816 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-64437 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6816 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-2914 · Security Note