PT-2025-27318 · Hdf5+1 · Hdf5+1

Jjleo · Published 2025-06-28 · Updated 2026-01-16 · CVE-2025-6818

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 heap-based buffer overflow issue was found in the function H5O chunk protect of the file /src/H5Ochunk.c. This issue can be exploited locally.

Recommendations: For HDF5 version 1.14.6, as a temporary workaround, consider disabling the function H5O chunk protect 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

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-122

Related Identifiers

AZL-64410

AZL-64434

CVE-2025-6818

ECHO-A463-9E81-4F5C

OESA-2026-1131

OESA-2026-1132

OESA-2026-1133

OESA-2026-1134

OESA-2026-1135

Affected Products

Debian

Hdf5

References · 47

• 🔥 https://github.com/HDFGroup/hdf5/issues/5573 · Exploit
• 🔥❌ https://github.com/user-attachments/files/20623382/hdf5_crash_5.txt · Exploit, Deleted
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-6818 · Vendor Advisory
• 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://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://osv.dev/vulnerability/AZL-64434 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-64410 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-7067 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-6818 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2153 · Security Note