CVE-2025-6270

HDF5 H5FSsection.c H5FS__sect_find_node heap-based overflow

MEDIUM
5.3
CVSS Score
Published: June 19, 2025 at 04:31 PM UTC
Updated: June 17, 2026 at 10:01 AM UTC
1 product affected across 1 vendorHDF5

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A vulnerability, which was classified as critical, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5FS__sect_find_node of the file H5FSsection.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)

SignaturePermissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?ctiid.313274
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.313274
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.592588

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-119CWE-122

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