{"schemaVersion":3,"id":"CVE-2023-51766","aliases":["UBUNTU-CVE-2023-51766","USN-6611-1","DEBIAN-CVE-2023-51766","DLA-3708-1","DSA-5597-1","CGA-79j6-2pvh-gpgr","CGA-hvw9-xpjx-786w","openSUSE-SU-2024:13543-1"],"status":"published","duplicateOf":null,"title":null,"description":"Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. 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