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CVE-2026-54904 concurrent-ruby: `AtomicReference#update` livelocks when the stored value is `Float::NAN`

🗓️ 24 Jun 2026 15:44:21Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Concurrent Ruby AtomicReference#update may livelock on Float::NAN prior to 1.3.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54904
24 Jun 202615:44
attackerkb
Chainguard
CVE-2026-54904 vulnerabilities
23 Jun 202608:17
cgr
Circl
CVE-2026-54904
16 Jun 202621:35
circl
CVE
CVE-2026-54904
24 Jun 202615:44
cve
EUVD
EUVD-2026-38810
24 Jun 202615:44
euvd
Github Security Blog
Concurrent Ruby : `AtomicReference#update` livelocks when the stored value is `Float::NAN`
19 Jun 202620:47
github
NVD
CVE-2026-54904
24 Jun 202617:17
nvd
OSV
CGA-CC84-6XXR-92XM
21 Jun 202600:46
osv
OSV
GHSA-H8W8-99G7-QMVJ Concurrent Ruby : `AtomicReference#update` livelocks when the stored value is `Float::NAN`
19 Jun 202620:47
osv
OSV
MINI-2CF6-2H4P-GQCJ
23 Jun 202613:44
osv
Rows per page
[
  {
    "vendor": "ruby-concurrency",
    "product": "concurrent-ruby",
    "versions": [
      {
        "version": "< 1.3.7",
        "status": "affected"
      }
    ]
  }
]

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