CVE-2020-28011

High

Description

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow in queue_run via two sender options: -R and -S. This may cause privilege escalation from exim to root.

SeverityHigh
CVSS7.8
Exploit probability—
ProductExim
PublishedMay 6, 2021
First seenMay 6, 2021

How to fix

Update
  • exim exim4.94.2 or later

Affected products

ProductAffected versionsFixed in
exim exim4.00 ≤ v < 4.94.24.94.2

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