Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2019-25646 |
| Alert Source | GitHub Advisory - Critical Vulnerability |
| CVE Publication Year | 2019 |
| Date Published | 2026-03-24 |
| Vendor | N/A |
| Product | Tabs Mail Carrier 2.5.1 |
| CVSS Score | 9.8 (critical) |
| EPSS Score | 0.2% (percentile: 43%) |
| CISA KEV | No |
| Ransomware | Not confirmed |
Vulnerability 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.
Required Actions
Apply vendor patches or mitigations as soon as available.
Who Is Affected?
This vulnerability affects Mail Carrier by Tabs. Check if your organization uses this software and requires updates.
Sources
Need help securing your systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.
How can nFlo help?
If your organization uses products affected by this vulnerability, contact us. We can help with:
- Verifying whether your systems are at risk
- Implementing patches and risk mitigation
- Monitoring for exploitation attempts in your environment
Useful resources:
