CVE-2026-18022

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{"bugzilla": {"description": "pgvector: pgvector: Arbitrary Code Execution via Integer Wraparound", "id": "2508603", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508603"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in pgvector. An integer wraparound vulnerability exists during the IVFFlat index build process. This flaw allows a database user on a 32-bit system to write data outside of allocated memory buffers. Successful exploitation could lead to arbitrary code execution."], "name": "CVE-2026-18022", "package_state": [{"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Not affected", "package_name": "lightspeed-core/rag-tool-cpu-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Not affected", "package_name": "lightspeed-core/rag-tool-cuda-12.9-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Not affected", "package_name": "openshift-lightspeed/lightspeed-ocp-rag-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-25/lightspeed-chatbot-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "postgresql:16/pgvector", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "postgresql:18/pgvector", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:2", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-trustification-service-rhel9", "product_name": "Red Hat Trusted Profile Analyzer"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:3", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-rhel10", "product_name": "Red Hat Trusted Profile Analyzer"}], "public_date": "2026-07-29T18:55:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-18022\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-18022\nhttps://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104\nhttps://github.com/pgvector/pgvector/issues/1006"], "statement": "Only 32-bit systems are affected. Affected products support 64-bit systems only.", "threat_severity": "Important"}

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