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CVE-2026-54696 Ruby JSON: JSON generator heap buffer overflow when streaming to an IO

🗓️ 30 Jun 2026 22:05:48Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

CVE-2026-54696: Ruby JSON heap overflow during streaming; affects 2.9.0–2.19.8, fixed in 2.19.9.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
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30 Jun 202622:05
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circl
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6 Jul 202608:45
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30 Jun 202622:05
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debiancve
Debian CVE
CVE-2026-54696
30 Jun 202622:05
debiancve
ibm
IBM Security Bulletins
Security Bulletin: Multiple vulnerabilities have been addressed in IBM Aspera Shares
30 Jul 202620:39
ibm
euvd
EUVD
EUVD-2026-40626
23 Jul 202619:48
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github
Github Security Blog
Ruby json: JSON generator heap buffer overflow when streaming to an IO
23 Jul 202619:48
github
nvd
NVD
CVE-2026-54696
30 Jun 202623:17
nvd
osv
OSV
CGA-6CHM-33QP-3R9P
24 Jul 202618:09
osv
Rows per page
[
  {
    "vendor": "ruby",
    "product": "json",
    "versions": [
      {
        "version": ">= 2.9.0, < 2.19.9",
        "status": "affected"
      }
    ]
  }
]

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