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Vulnerability record · CVE-2019-11395 · published 22 April 2019

CVE-2019-11395: Tabslab mailcarrier out-of-bounds write vulnerability

TTabslab · Mailcarrier

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.

9.8 CVSS 3.0 Critical EPSS 15% · top 3.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 20 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-11395), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.