Resource Management Errors Affecting ruby4.0 package, versions <0:4.0.0-33.3.hum1


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
65.09% (99th percentile)

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  • Snyk IDSNYK-RHEL10-RUBY40-16079945
  • published16 Apr 2026
  • disclosed8 Aug 2008

Introduced: 8 Aug 2008

CVE-2008-3656  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade RHEL:10 ruby4.0 to version 0:4.0.0-33.3.hum1 or higher.
This issue was patched in RHSA-2026:8838.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby4.0 package and not the ruby4.0 package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.

References

CVSS Base Scores

version 3.1