CVE-2019-11395
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.6%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 14.57% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- tabslab/mailcarrier
- Source
- cve@mitre.org
EPSS moved from 12.5% on 21 September 2026 to 14.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152502/MailCarrier-2.51-RCPT-TO-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152504/MailCarrier-2.51-USER-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152505/MailCarrier-2.51-LIST-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152506/MailCarrier-2.51-TOP-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/152530/MailCarrier-2.51-RETR-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.