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CVE-2026-21900

🗓️ 10 Jan 2026 00:14:33Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 40 Views

CryptoLib pre-1.4.3 has an out-of-bounds heap read in cryptography_encrypt() from KMC metadata.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-21900
10 Jan 202601:44
–circl
cnnvd
CNNVD
CryptoLib buffer error vulnerability
10 Jan 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-21900 CryptoLib Has Out-of-Bounds Read in KMC Encrypt Metadata Parsing via Flawed strtok Pattern
10 Jan 202600:14
–cvelist
euvd
EUVD
EUVD-2026-1894
10 Jan 202600:14
–euvd
mend
Mend
CVE-2026-21900
10 Jan 202600:14
–mend
nvd
NVD
CVE-2026-21900
10 Jan 202601:16
–nvd
osv_cve
osv_cve
CVE-2026-21900 CryptoLib Has Out-of-Bounds Read in KMC Encrypt Metadata Parsing via Flawed strtok Pattern
10 Jan 202600:14
–osv_cve
ptsecurity
Positive Technologies
PT-2026-2130
10 Jan 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-21900: Out-of-bounds Read
10 Jan 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-21900
13 Jan 202622:52
–redhatcve
Rows per page
NVD
Vulners
Node
nasacryptolibRange<1.4.3
[
  {
    "vendor": "nasa",
    "product": "CryptoLib",
    "versions": [
      {
        "version": "< 1.4.3",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:19Current
6Medium risk
Vulners AI Score6
CVSS 3.15.9
CVSS 48.2
EPSS0.00598
SSVC
40