https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 01:14:43 +0000 https://vulnerability.circl.lu/vuln/cve-2023-51766 <p>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. This occurs because Exim supports &lt;LF&gt;.&lt;CR&gt;&lt;LF&gt; but some other popular e-mail servers do not.</p> <p>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. This occurs because Exim supports &lt;LF&gt;.&lt;CR&gt;&lt;LF&gt; but some other popular e-mail servers do not.</p> https://vulnerability.circl.lu/vuln/cve-2023-51766 https://vulnerability.circl.lu/vuln/usn-6611-1 <p><strong>Affected:</strong> Ubuntu:Pro:16.04:LTS: exim4, Ubuntu:Pro:18.04:LTS: exim4, Ubuntu:20.04:LTS: exim4, Ubuntu:22.04:LTS: exim4</p> <p>It was discovered that Exim incorrectly handled certain requests. A remote attacker could possibly use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism.</p> <p><strong>Affected:</strong> Ubuntu:Pro:16.04:LTS: exim4, Ubuntu:Pro:18.04:LTS: exim4, Ubuntu:20.04:LTS: exim4, Ubuntu:22.04:LTS: exim4</p> <p>It was discovered that Exim incorrectly handled certain requests. A remote attacker could possibly use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism.</p> https://vulnerability.circl.lu/vuln/usn-6611-1