CVE-2019-25646

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTabslab Mailcarrier
PublishedMar 24, 2026
First seenMar 24, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tabslab mailcarrier2.5.1—

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CVE-2019-25646 · Tabslab Mailcarrier · Dark Radar