CVE-2019-25646CWE-787

Tabs Mail Carrier 2.5.1 Buffer Overflow via MAIL FROM

Critical · published March 24, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
60.2
In the wild
Unconfirmed
What it is

Tabs Mail Carrier 2.5.1 contains a buffer overflow vulnerability in the MAIL FROM SMTP command that allows remote attackers to execute arbitrary code by sending a crafted MAIL FROM parameter. Attackers can connect to the SMTP service on port 25 and send a malicious MAIL FROM command with an oversized buffer to overwrite the EIP register and execute a bind shell payload.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00928 · 60.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-03-24T11:27Z
EPSS history
Timeline
  • 24 MAR 11:27Z
    Tabs Mail Carrier 2.5.1 Buffer Overflow via MAIL FROM
    cvelistv5