CVE-2020-28009

score

<0.1

cvss

7.8

epss

0.5%

published

2021-05-06

kev added

—

first seen

2026-10-21

Exim 4 < 4.94.2 contains an integer overflow caused by get_stdinput allowing unbounded reads and size increases, potentially leading to buffer overflow, exploit requires unbounded input and may be impractical due to time constraints.