CVE-2019-25364 Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow
Remote attackers can execute arbitrary code on Win10 MailCarrier by sending a crafted oversized buffer to the POP3 service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25364?
CVE-2019-25364 is a critical memory corruption vulnerability in TABS Laboratories Corporation Win10 MailCarrier, published on 18 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-121
Which versions are affected by CVE-2019-25364?
It affects 1 product.
Products include Tabslab Mailcarrier.
How do I fix CVE-2019-25364?
No fix has been published for CVE-2019-25364 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-25364 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25364 exists.
Other vulnerabilities in TABS Laboratories Corporation Win10 MailCarrier
Sources
Also known as GHSA-jm9g-c5gq-m5v9.