CVE-2026-6350

Description

MailGates/MailAudit developed by Openfind has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

CVSS Metrics

• v4.0•CRITICAL•Score: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
• v4.0•CRITICAL•Score: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
• v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Techniques & Countermeasures

• CWE-121•Stack-based Buffer Overflow

  A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Affected Systems

• openfind•mailaudit

  ≥ 6.0, < 6.1.10.054 | ≥ 5.0, < 5.2.10.099

• openfind•mailgates

  ≥ 6.0, < 6.1.10.054 | ≥ 5.0, < 5.2.10.099

References (2)

• https://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html
• https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html