What’s Vulnerable › Vulnerabilities

CVE-2019-25364: Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-18 · updated 2026-06-17
• Weakness: CWE-121

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.

Affected products

• TABS Laboratories Corporation Win10 MailCarrier: 2.51

References

• https://www.exploit-db.com/exploits/47554
• https://www.tabslab.com/
• https://www.vulncheck.com/advisories/win-mailcarrier-pop-user-remote-buffer-overflow

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