{"id":"CVE-2026-103484","title":"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.","summary":"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.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787","CWE-1284"],"vendor":"Red Hat","product":"pgvector","affected":["pgvector < 0.8.7"],"published":"2026-10-01","updated":"2026-10-02","sourceUpdated":"2026-10-02T18:53:46.583","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103484","references":[{"url":"https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156","label":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"},{"url":"https://github.com/pgvector/pgvector/issues/1036","label":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103484.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-103484"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2544842"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103484"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103484"},{"url":"https://access.redhat.com/errata/RHSA-2026:85791"},{"url":"https://access.redhat.com/errata/RHSA-2026:85814"},{"url":"https://access.redhat.com/errata/RHSA-2026:88359"},{"url":"https://access.redhat.com/errata/RHSA-2026:88360"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00423,"epssPercentile":0.36399,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-01T19:58:32.132643Z"},"ingestedAt":"2026-10-01T19:58:57.559Z","patched":["enterprise_linux_appstream_v_9"],"slug":"CVE-2026-103484","body":"## Overview\n\nIVFFlat 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103484.json)\n- **RHSA-2026:85791** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:85791)\n- **RHSA-2026:85814** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:85814)\n- **RHSA-2026:88359** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88359)\n- **RHSA-2026:88360** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88360)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}