Allocation of Resources Without Limits or Throttling Affecting dovecot-pgsql package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL9-DOVECOTPGSQL-15871596
  • published1 Apr 2026
  • disclosed27 Mar 2026

Introduced: 27 Mar 2026

NewCVE-2026-27859  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 dovecot-pgsql.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dovecot-pgsql package and not the dovecot-pgsql package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed version where the processing is limited. No publicly available exploits are known.

CVSS Base Scores

version 3.1