CVE-2019-25364
Critical
Description
MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTabslab Mailcarrier
PublishedFeb 18, 2026
First seenFeb 18, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tabslab mailcarrier | 2.51 | — |
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