CVE-2020-28009
High
Description
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).
SeverityHigh
CVSS7.8
Exploit probability—
Product
Exim
PublishedMay 6, 2021
First seenMay 6, 2021
How to fix
Update
- exim exim4.94.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| exim exim | 4.00 ≤ v < 4.94.2 | 4.94.2 |
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