Allocation of Resources Without Limits or Throttling Affecting rubygem-mysql2-debugsource package, versions <0:0.5.7-1.module+el9.8.0+40094+ce01217c


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.52% (42nd percentile)

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  • Snyk IDSNYK-ROCKY9-RUBYGEMMYSQL2DEBUGSOURCE-19400197
  • published28 Aug 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42256  (opens in a new tab)
CWE-770  (opens in a new tab)
CWE-1322  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 rubygem-mysql2-debugsource to version 0:0.5.7-1.module+el9.8.0+40094+ce01217c or higher.
This issue was patched in RLSA-2026:50827.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-mysql2-debugsource package and not the rubygem-mysql2-debugsource package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational denial-of-service attack on the client process by sending a big iteration count value. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

CVSS Base Scores

version 3.1