CVE Watchtower ← Back to CVE ListCVE-2026-48840NVDDescriptionExim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.Severity LevelMEDIUM (5.3)Published Date30/05/2026Last Modified03/06/2026Exploitation Status????Referenceshttps://exim.org/static/doc/security/EXIM-Security-2026-05-19.1https://www.openwall.com/lists/oss-security/2026/05/29/3http://www.openwall.com/lists/oss-security/2026/05/29/3