CVE-2023-51764

PoC for CVE-2023-51764 SMTP SMUGGLING Postfix CVE-2023-5176525.py Description This script allows sending messages using port 25 of the mail server. Usage Before running, modify the variables: smtpserver - address of the mail server fromaddress - sender of the first email toaddress - recipient of...

USN-8834-1: Exim vulnerabilities

It was discovered that Exim had an out-of-bounds write when Proxy-Protocol was used with an attacker-controlled proxy. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-94054 It was discovered that Exim had a use-after-free when certain non-default TLS settings...

CVE-2023-51764

CVE-2023-51764 Postfix SMTP Smuggling - Expect Script POC send an email that is legitimate, but inside the email there is many others emails different senders, recipients, subjet, etc. The initial email is check for SPF/DKIM/DMARC, the others inside are not ! usage: ./cve-2023-51764.sh mx.fqdn po...

[SECURITY] [DSA 6522-1] exim4 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6522-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso September 27, 2026 https://www.debian.org/security/faq -...

CVE-2023-51764-POC

based on https://github.com/duy-31/CVE-2023-51764 and https://events.ccc.de/congress/2023/hub/en/event/smtpsmugglingspoofinge-mailsworldwide/?trk=publicpostcomment-text its just some poc port to python 3.x...

CVE-2026-94057

A flaw was found in Exim. A remote attacker could exploit a vulnerability known as SMTP smuggling by sending crafted data after a rejection during the DATA processing phase. This manipulation could lead to a mismatch between the intended sent message and the actual received message, potentially...

SUSE CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

EUVD-2026-83615

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

Linux Distros Unpatched Vulnerability : CVE-2026-94057

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

DEBIAN-CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

UBUNTU-CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057

Exim MTA versions before 4.100.1 are vulnerable to SMTP smuggling : the received message does not match any sent message and instead depends on crafted data sent after a rejection during DATA processing. The vulnerability is reachable over the network without authentication but requires high atta...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94057: Improper Neutralization of CRLF Sequences

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

Astra Linux – Vulnerability in sendmail

Sendmail in version 8.17.2 allows for SMTP smuggling in certain configurations. Remote attackers can utilize a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, thereby bypassing an SPF protection mechanism. This issue arises because Sendmail supports...