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Apache Software Foundation Apache DataSketches vulnerabilities

5 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 5 published in the last 12 months.

Check whether your Apache Software Foundation Apache DataSketches version is affected

Latest Apache Software Foundation Apache DataSketches vulnerabilities

• 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 (CVSS 5.3)
• CVE-2026-103636 — Apache DataSketches: datasketches-cpp: Out-of-bounds read in VarOpt union deserialization allows denial of service via a truncated sketch (CVSS 7.5)
• CVE-2026-103635 — Apache DataSketches: datasketches-cpp: Out-of-bounds read in compact Theta sketch deserialization allows denial of service via a crafted sketch (CVSS 9.1)
• CVE-2026-103513 — Apache DataSketches: datasketches-cpp: Out-of-bounds read and write in the CPC sketch deserialization allows memory corruption via a crafted sketch (CVSS 9.8)
• CVE-2026-103501 — Apache DataSketches: datasketches-cpp: HLL CouponList Deserialization Buffer Overflow allows memory corruption via a crafted sketch (CVSS 9.8)