CVE-2019-25364

Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow

CVSS 9.3 CRITICALEPSS 0.8%CWE-121

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

TABS Laboratories Corporation · Win10 MailCarrier

References

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