Integer Overflow or Wraparound Affecting exim4 package, versions <4.94.2-1
Threat Intelligence
EPSS
0.25% (66th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-EXIM4-1279421
- published 5 May 2021
- disclosed 6 May 2021
Introduced: 5 May 2021
CVE-2020-28017 Open this link in a new tabHow to fix?
Upgrade Debian:11 exim4 to version 4.94.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
CVSS Scores
version 3.1