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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

exim4

Exim versions before 4.100.1 contain an SMTP smuggling vulnerability where the received email message can differ from the sent message due to crafted data sent after a rejection during the DATA phase. This flaw affects numerous specific Exim4 package versions on Ubuntu. The vulnerability has a medium severity rating with a CVSS score of 4.0.

Exim before version 4.100.1 is vulnerable to SMTP smuggling, a condition where the message received by the server does not correspond to any message actually sent by the client. This occurs because crafted data sent after a rejection during the SMTP DATA processing phase can alter the received message. The vulnerability affects many Ubuntu-specific Exim4 package versions as enumerated. The CVSS 3.1 base score is 4.0, reflecting a network attack vector with high attack complexity, no privileges required, no user interaction, scope changed, no confidentiality impact, low integrity impact, and no availability impact.

Detailed information about Exim4: Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends o

Exim4: 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… (CVE-2026-94057) - Live Threat Intelligence - Threat Radar | OffSeq.com

Exim4: 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… (CVE-2026-94057)

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