Apache
Apache Datasketches: vulnerabilities and CVEs
Apache Datasketches has 2 published vulnerabilities, 2 of them in the last 12 months. 2 are rated critical and 0 are listed by CISA as actively exploited.
CVEs2
Last 12 months2
Critical2
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-103635 | Critical (9.1) | 0.60% | — | Oct 10, 2026 | Out-of-bounds read in the compact Theta sketch deserialization of Apache DataSketches C++ (repo: datasketches-cpp). compact_theta_sketch::deserialize() and wrapped_compact_theta_sketch::wrap() read header fields before… |
| CVE-2026-103501 | Critical (9.8) | 0.66% | — | Oct 10, 2026 | Heap buffer overflow in the HLL sketch deserialization of Apache DataSketches C++ (repo: datasketches-cpp). When deserializing a sketch in LIST mode, from either a byte buffer or a stream, the coupon count was read from… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.
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