Bug 2544842 (CVE-2026-103484)

Summary: CVE-2026-103484 pgvector: pgvector: Arbitrary code execution via out-of-bounds write during IVFFlat index build
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in pgvector. An authenticated database user can trigger an out-of-bounds write during an Inverted File Flat (IVFFlat) index build operation. This vulnerability may allow the attacker to achieve arbitrary code execution or cause a crash resulting in a denial of service on the database server.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-10-01 23:08:22 UTC
IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution.