A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code…
Priority MEDIUM 58CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.14573 96th percentileScored 2026-11-07
Public exploit Yes 10 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11395
- 2026-10-03 Alias added: GHSA-7v86-hv29-pw56
References
Exploit 10
- http://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html
- http://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html
- http://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html
- http://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html
- http://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html
- https://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html
- https://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html
- https://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html
- https://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html
- https://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html
More Tabslab Mailcarrier vulnerabilities
- TI-2019-15699 Tabs Mail Carrier 2.5.1 Buffer Overflow via MAIL FROM CVSS 4.0CRITICAL 9.3
- TI-2019-15417 Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow CVSS 4.0CRITICAL 9.3
- TI-2019-08744 A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2019-11395 · CVE Program
- CVE-2019-11395 · NVD
- FIRST EPSS
- GHSA-7v86-hv29-pw56 · GitHub Advisory Database · CC BY 4.0
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