AlmaLinux 9.2 [TuxCare] Security Update: exim / exim-greylist / exim-mon / exim-mysql / exim-pgsql (ALMALINUX9.2:CLSA-2026:1780519410)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780519410 advisory. - In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present...

CVE-2026-40686: Out-of-bounds Read

In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present malformed UTF-8 header data. Information might be divulged within an error message produced during handling of an unrelated e-mail message...