ACTIVELY EXPLOITED

CVE-2019-16928: Exim Out-of-bounds Write Vulnerability

Facts
VendorExim
ProductExim Internet Mailer
Actively exploitedYes
Added to CISA KEV3 Mar 2022
CISA federal deadline17 Mar 2022
Weakness (CWE)CWE-787

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Exim contains an out-of-bounds write vulnerability which can allow for remote code execution.

SOURCES

Other Exim flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.