CVE-2026-103635

Out-of-bounds read in the compact Theta sketch deserialization of Apache DataSketches C++ repo: datasketches-cpp. compactthetasketch::deserialize and wrappedcompactthetasketch::wrap read header fields before checking that the input was long enough. For the compressed format, the size check could ...

CVE-2026-103635 Apache DataSketches: datasketches-cpp: Out-of-bounds read in compact Theta sketch deserialization allows denial of service via a crafted sketch

Out-of-bounds read in the compact Theta sketch deserialization of Apache DataSketches C++ repo: datasketches-cpp. compactthetasketch::deserialize and wrappedcompactthetasketch::wrap read header fields before checking that the input was long enough. For the compressed format, the size check could ...

CVE-2026-103635

The Apache DataSketches C++ library (repo: datasketches-cpp ) is vulnerable to an out-of-bounds read during the deserialization of compact Theta sketches . Specifically, the compact_theta_sketch::deserialize() and wrapped_compact_theta_sketch::wrap() functions read header fields without first ver...