PT-2025-11305 · Hdf5+1 · Hdf5+1

Zhang Yaoliang · Published 2025-03-14 · Updated 2025-12-31 · CVE-2025-2309

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 vulnerability has been found in HDF5 and classified as critical. This issue affects the function H5T bit copy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about a batch of vulnerabilities, but their response was to reject without further explanation.

Recommendations As a temporary workaround, consider disabling the H5T bit copy 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-58813

AZL-58819

CVE-2025-2309

ECHO-0E1F-95C8-BBAC

Affected Products

Debian

Hdf5

References · 20

• 🔥 https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc3.md · Exploit
• https://cve.org/CVERecord?id=CVE-2025-2309 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2309 · Security Note
• https://osv.dev/vulnerability/AZL-58819 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-2309 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-2309 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-2309 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-2309 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-2309 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-58813 · Vendor Advisory
• https://github.com/HDFGroup/hdf5/pull/5963/changes · Note
• https://twitter.com/CVETracker/status/1901000635169784276 · Twitter Post
• https://t.me/msrcreports/2820 · Telegram Post
• https://twitter.com/CVEnew/status/1900661070793973899 · Twitter Post
• https://vuldb.com/?id.299722 · Note