Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red Hat jrubySource GCVE Database
Not known to be exploited · CVSS 3.7 Low.
Data as of 29 Oct 2026, 10:37 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 30 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10jrubypkg:deb/ubuntu/jruby?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10ruby-jsonpkg:deb/ubuntu/ruby-json?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10ruby3.3pkg:deb/ubuntu/ruby3.3?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSjrubypkg:deb/ubuntu/jruby?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSruby-jsonpkg:deb/ubuntu/ruby-json?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSruby3.3pkg:deb/ubuntu/ruby3.3?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This update includes the following RPMs: ruby4.0: * ruby4.0-4.0.6-37.1.hum1 (aarch64, x86_64) * ruby4.0-bundled-gems-4.0.6-37.1.hum1 (aarch64, x86_64) * ruby4.0-default-gems-4.0.6-37.1.hum1 (noarch) * ruby4.0-devel-4.0.6-37.1.hum1 (aarch64, x86_64) * ruby4.0-doc-4.0.6-37.1.hum1 (noarch) * ruby4.0-libs-4.0.6-37.1.hum1 (aarch64, x86_64) * rubygem4.0-bigdecimal-4.0.1-37.1.hum1 (aarch64, x86_64) * rubygem4.0-bundler-4.0.16-37.1.hum1 (noarch) * rubygem4.0-devel-4.0.16-37.1.hum1 (noarch) * rubygem4.0-io-console-0.8.2-37.1.hum1 (aarch64, x86_64) * rubygem4.0-irb-1.16.0-37.1.hum1 (noarch) * rubygem4.0-json-2.18.0-37.1.hum1 (aarch64, x86_64) * rubygem4.0-minitest-6.0.0-37.1.hum1 (noarch) * rubygem4.0-power_assert-3.0.1-37.1.hum1 (noarch) * rubygem4.0-psych-5.3.1-37.1.hum1 (aarch64, x86_64) * rubygem4.0-racc-1.8.1-37.1.hum1 (aarch64, x86_64) * rubygem4.0-rake-13.3.1-37.1.hum1 (noarch) * rubygem4.0-rbs-3.10.0-37.1.hum1 (aarch64, x86_64) * rubygem4.0-rdoc-7.0.4-37.1.hum1 (noarch) * rubygem4.0-rexml-3.4.4-37.1.hum1 (noarch) * rubygem4.0-rss-0.3.2-37.1.hum1 (noarch) * rubygem4.0-rubygems-4.0.16-37.1.hum1 (noarch) * rubygem4.0-test-unit-3.7.5-37.1.hum1 (noarch) * rubygem4.0-typeprof-0.31.1-37.1.hum1 (noarch) * ruby4.0-4.0.6-37.1.hum1.src (src) Security Fix(es): ruby4.0: * CVE-2026-54696
References
- access.redhat.com/errata/RHSA-2026:47932 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-54696 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_47932.json (opens in a new tab)