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CVE-2026-103634 Apache DataSketches: datasketches-cpp: Out-of-bounds read and write in Count-Min sketch deserialization allows memory corruption via a crafted sketch

🗓️ 22 Oct 2026 06:42:20Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Out-of-bounds read and write in Apache DataSketches datasketches-cpp deserialization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-103634
10 Oct 202611:21
–circl
cve
CVE
CVE-2026-103634
22 Oct 202606:42
–cve
euvd
EUVD
EUVD-2026-108025
22 Oct 202606:42
–euvd
nvd
NVD
CVE-2026-103634
22 Oct 202607:16
–nvd
ptsecurity
Positive Technologies
PT-2026-121278
22 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache DataSketches",
    "packageURL": "pkg:github/apache/datasketches-cpp",
    "versions": [
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThanOrEqual": "5.2.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected",
    "collectionURL": "https://github.com",
    "packageName": "apache/datasketches-cpp"
  }
]

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