CVE-2019-25364
Buffer Overflow in MailCarrier POP3 USER Allows Remote Code Execution
Publication date: 2026-02-18
Last updated on: 2026-02-24
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tabslab | mailcarrier | 2.51 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
MailCarrier version 2.51 has a buffer overflow vulnerability in the POP3 USER command. This means that an attacker can send an excessively large input to the POP3 service, which causes memory to be overwritten improperly.
By exploiting this flaw, remote attackers can execute arbitrary code on the affected system, potentially taking control of it.
How can this vulnerability impact me? :
This vulnerability can have severe impacts as it allows remote attackers to execute arbitrary code without any authentication or user interaction.
Successful exploitation could lead to complete system compromise, unauthorized access to sensitive data, disruption of services, and potential use of the system as a foothold for further attacks.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know