Use After Free Affecting dovecot package, versions [,2.3.10.1)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.8% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-DOVECOT-2381752
  • published26 Jan 2022
  • disclosed18 May 2020
  • creditUnknown

Introduced: 18 May 2020

CVE-2020-10958  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade dovecot to version 2.3.10.1 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.

References

CVSS Scores

version 3.1