PT-2025-11304 · Hdf5+1 · Hdf5+1

Zhang Yaoliang · Published 2025-03-14 · Updated 2026-05-09 · CVE-2025-2308

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 critical vulnerability was found in HDF5, affecting the function H5Z scaleoffset decompress one byte of the component Scale-Offset Filter. The manipulation leads to heap-based buffer overflow. An attack must be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted about a batch of vulnerabilities, but their response was to reject without further explanation. The real existence of this vulnerability is still doubted at the moment.

Recommendations As a temporary workaround, consider disabling the H5Z scaleoffset decompress one byte 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

Memory Corruption

Heap Based Buffer Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

CWE-119

Related Identifiers

AZL-58810

AZL-58815

CVE-2025-2308

ECHO-9932-FE1C-038A

OESA-2026-2185

OESA-2026-2186

OESA-2026-2261

OESA-2026-2262

Affected Products

Debian

Hdf5

References · 28

• 🔥 https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc2.md · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-2308 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2186 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2261 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-2308 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-2308 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-2308 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-2308 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2185 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-58815 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2262 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-2308 · Security Note
• https://osv.dev/vulnerability/CVE-2025-2308 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-58810 · Vendor Advisory
• https://github.com/HDFGroup/hdf5/pull/5960/changes · Note