CVE-2025-6816

HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow

LOW
3.3
CVSS Score
Published: June 28, 2025 at 08:00 AM UTC
Updated: June 17, 2026 at 10:02 AM UTC
1 product affected across 1 vendorHDF5

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Severity
LOW3.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-119CWE-122

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