Missing Report of Error Condition Affecting ruby4.0-net-imap package, versions <0.6.4-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-WOLFILATEST-RUBY40NETIMAP-16780284
  • published20 May 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

NewCVE-2026-42246  (opens in a new tab)
CWE-392  (opens in a new tab)
CWE-393  (opens in a new tab)
CWE-636  (opens in a new tab)
CWE-754  (opens in a new tab)
CWE-841  (opens in a new tab)

How to fix?

Upgrade Wolfi ruby4.0-net-imap to version 0.6.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby4.0-net-imap package and not the ruby4.0-net-imap package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4.

CVSS Base Scores

version 3.1