https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-02T18:34:45.111032+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-42117 CVE-2023-42117 — Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability 2026-10-02T18:34:45.116059+00:00

Affected: Exim

Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.

 https://vulnerability.circl.lu/vuln/usn-6455-1 USN-6455-1 — exim4 vulnerabilities 2026-10-02T18:34:45.116172+00:00

Affected: Ubuntu:Pro:14.04:LTS: exim4, Ubuntu:Pro:16.04:LTS: exim4, Ubuntu:Pro:18.04:LTS: exim4, Ubuntu:20.04:LTS: exim4, Ubuntu:22.04:LTS: exim4

It was discovered that Exim incorrectly handled validation of user-supplied data, which could lead to memory corruption. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2023-42117)

It was discovered that Exim incorrectly handled validation of user-supplied data, which could lead to an out-of-bounds read. An attacker could possibly use this issue to expose sensitive information. (CVE-2023-42119)