CVE-2020-28009

Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).

Affected products

Alt Linux, Astra Linux, Exim, Linuxmint, Suse, Ubuntu

Exim

< 4.94.2

Fix

Available

CVSS 3.1

7.8 HIGH

EPSS

0.5% (38th percentile)

Weakness

CWE-190

NVD status

Modified

Published

2021-05-06