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Improper Output Neutralization for Logs Affecting ruby4.0 package, versions <0:4.0.0-33.3.hum1

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.6% (82nd percentile)

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  • Snyk IDSNYK-RHEL10-RUBY40-16079900
  • published16 Apr 2026
  • disclosed14 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 14 Sep 2017

CVE-2017-10784  (opens in a new tab)
CWE-117  (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.

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.

References