CVE-2019-11395
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a...
CVE-2019-11395 is a critical vulnerability (CVSS 9.8) in Tabslab Mailcarrier, published April 21, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 14.6%, the 96th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.0, NVD
- Exploit chance
- 14.6%EPSS, 96th percentile
- Exploitation
- None known3 public exploits
- Fixed in
- No fix listedNo source names one
Description
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | RedAlien00/CVE-2019-11395 | 2023-12-25 |
| PoC in GitHub | caioprince/CVE-2019-11395 | 2024-04-21 |
| PoC in GitHub | RafaelBicas/CVE-2019-11395 | 2025-04-03 |
What each source reports
NVD Score used
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.
- Record
CVE-2019-11395- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE ListNo score
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.
- Record
CVE-2019-11395- Updated
- 2026-11-02
EUVDEUVD-2019-3073No score
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.
- Record
EUVD-2019-3073- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7v86-hv29-pw56
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a...
A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.
- Record
GHSA-7v86-hv29-pw56- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119, CWE-787
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html
nvd.nist.gov/vuln/detail/CVE-2019-11395
github.com/advisories/GHSA-7v86-hv29-pw56