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TI-2026-14844 CVE-2026-18022 · GHSA-87hg-xjfg-qh5r

pgvector buffer overflow via integer wraparound in IVFFlat index build on 32-bit systems

Priority MEDIUM 41

Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution.

CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00601 · Published 2026-07-29 · Fixed in 0.8.6 CWE-190

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