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. Only 32-bit systems are affected.
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Wed, 29 Jul 2026 20:30:00 +0000
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Wed, 29 Jul 2026 19:30:00 +0000
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| Description | 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. Only 32-bit systems are affected. | |
| Title | pgvector buffer overflow via integer wraparound in IVFFlat index build on 32-bit systems | |
| Weaknesses | CWE-190 CWE-787 |
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cvssV3_1
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Status: PUBLISHED
Assigner: PostgreSQL
Published:
Updated: 2026-07-29T19:31:07.155Z
Reserved: 2026-07-28T00:20:11.430Z
Link: CVE-2026-18022
Updated: 2026-07-29T19:31:00.569Z
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OpenCVE Enrichment
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