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CVE-2025-50343

CRITICAL

9.8

Description

An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in Mat_VarCreateStruct() when the nfields value does not match the actual number of strings in the fields array. This leads to out-of-bounds reads and invalid memory frees during cleanup, potentially causing a segmentation fault or heap corruption.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/30/2025

Last Modified1/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

matio_project:matio

Weaknesses (CWE)

CWE-122

References

https://github.com/tbeu/matio/issues/275(cve@mitre.org)

https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md(cve@mitre.org)

https://github.com/tbeu/matio/issues/275(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.