PT-2025-54220 · Matio+1 · Matio+1

Tbeu · Published 2025-01-01 · Updated 2026-01-26 · CVE-2025-50343

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions matio version 1.5.28

Description A memory corruption issue exists in the Mat VarCreateStruct() function when the nfields value does not align with the actual number of strings within the fields array. This discrepancy can result in out-of-bounds reads and improper memory deallocation during cleanup, potentially leading to a segmentation fault or heap corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-50343

OPENSUSE-SU-2026:10094-1

Affected Products

Debian

Matio

References · 13

• 🔥 https://github.com/tbeu/matio/issues/275 · Exploit
• 🔥 https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-50343 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-50343 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-50343 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-50343 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10094-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-50343 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-50343 · Security Note
• https://ubuntu.com/security/CVE-2025-50343 · Vendor Advisory
• https://suse.com/security/cve/CVE-2025-50343 · Note
• https://twitter.com/CVEnew/status/2006861543980298409 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2006141182196224157 · Twitter Post