{"vulnerability": "CVE-2026-3172", "sightings": [{"uuid": "74bc6c97-6425-4929-9d46-0ce72b53087a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mfqnoszci52k", "content": "", "creation_timestamp": "2026-02-26T07:17:26.747028Z"}, {"uuid": "7a0fb4bb-267f-43e4-975d-c30df304d372", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mfpyi5h2rx2y", "content": "", "creation_timestamp": "2026-02-26T00:57:53.111389Z"}, {"uuid": "c1a662bb-ceca-4a5f-8303-4378a24f2b62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mfrg5qofug2n", "content": "", "creation_timestamp": "2026-02-26T14:35:16.640400Z"}, {"uuid": "81b3cb2a-1431-44f3-957a-7f7e2c9c9b07", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/pgexperts.bsky.social/post/3mmp6wn4pad2y", "content": "pgvector 0.8.2 patches CVE-2026-3172 \u2014 a parallel-HNSW-build buffer overflow that can leak data across relations or crash the backend.\n\nParallel HNSW is now the default in most production deployments. Patch this week.\n\nwww.postgresql.org/about/news/p...\n\n \u2014 pgexperts.com.", "creation_timestamp": "2026-05-25T19:17:03.439415Z"}, {"uuid": "f8ab9633-9a44-45c7-9c24-67e46f4aa0fa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-31720", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260506", "content": "", "creation_timestamp": "2026-05-05T20:00:00.000000Z"}, {"uuid": "0dc44ce1-6729-43e2-a4f5-d641c20cf3b4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-31726", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260506", "content": "", "creation_timestamp": "2026-05-05T20:00:00.000000Z"}, {"uuid": "405b765a-3449-4194-bec3-557551c75228", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-31721", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260506", "content": "", "creation_timestamp": "2026-05-05T20:00:00.000000Z"}, {"uuid": "350b1831-e58a-405a-b181-980a0151d1c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-31728", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260506", "content": "", "creation_timestamp": "2026-05-05T20:00:00.000000Z"}, {"uuid": "e514f3ac-2aec-4b55-8f99-7ef34109072e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/pgexperts.bsky.social/post/3mmpp566ewc2r", "content": "pgvector 0.8.2 fixes CVE-2026-3172: heap buffer overflow during parallel HNSW index builds. Can leak cross-relation data or crash the backend.\n\nwww.postgresql.org/about/news/p...\n\npgexperts.com.", "creation_timestamp": "2026-05-26T00:07:03.281197Z"}, {"uuid": "1045932c-7445-4b06-aee9-52731062cae7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-3172", "type": "seen", "source": "https://bsky.app/profile/pgexperts.bsky.social/post/3mmr7jpdm2j2y", "content": "pgvector 0.8.2 patches CVE-2026-3172 \u2014 buffer overflow in parallel HNSW index builds, can leak data from other relations or crash the server.\n\nIf you build HNSW indexes with parallelism enabled (most people do), upgrade this week.\n\nwww.postgresql.org/about/news/p...\n\npgexperts.com", "creation_timestamp": "2026-05-26T14:33:03.707687Z"}]}