vulnerability
Exim: Integer overflow in get_stdinput() (CVE-2020-28009)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | May 6, 2021 | May 13, 2021 | Apr 7, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
May 6, 2021
Added
May 13, 2021
Modified
Apr 7, 2026
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).
Solution
exim-upgrade-4_94_2
Rapid7 Labs
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