CVE-2022-43974

CRITICAL
Published Jan 9, 20233y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jan 9, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. A remote attacker might be able to send a crafted TLS Message to cause a buffer overflow and achieve remote code execution. This is fixed in 4.6.0.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 1

VendorProductVersionRange
matrixsslmatrixssl*≥4.0.0  –  <4.6.0

References 3

  • github.com https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md
    Release NotesThird Party Advisory
  • github.com https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29
    Third Party Advisory
  • telekom.com https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.