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CVE-2026-54696

🗓️ 30 Jun 2026 22:05:48Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Ruby JSON heap buffer overflow when streaming to IO; affected 2.9.0–2.19.8, fixed in 2.19.9.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-54696 Ruby JSON: JSON generator heap buffer overflow when streaming to an IO
30 Jun 202622:05
cvelist
EUVD
EUVD-2026-40626
30 Jun 202622:05
euvd
NVD
CVE-2026-54696
30 Jun 202623:17
nvd
Positive Technologies
PT-2026-54020
30 Jun 202600:00
ptsecurity
Vulners
Node
rubyruby_3.2_jsonRange2.9.02.19.9
[
  {
    "vendor": "ruby",
    "product": "json",
    "versions": [
      {
        "version": ">= 2.9.0, < 2.19.9",
        "status": "affected"
      }
    ]
  }
]

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30 Jun 2026 23:17Current
6Medium risk
Vulners AI Score6
CVSS 3.13.7
3