Information Exposure Affecting dovecot-pgsql-debuginfo package, versions <1:2.3.20-1.amzn2023.0.3


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2023-DOVECOTPGSQLDEBUGINFO-16067592
  • published15 Apr 2026
  • disclosed27 Mar 2026

Introduced: 27 Mar 2026

NewCVE-2026-27856  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 dovecot-pgsql-debuginfo to version 1:2.3.20-1.amzn2023.0.3 or higher.
This issue was patched in ALAS2023-2026-1570.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dovecot-pgsql-debuginfo package and not the dovecot-pgsql-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known.

CVSS Base Scores

version 3.1