{"id":"CVE-2026-119373","title":"SQLite before 3.54.0 FTS5 Heap Buffer Overflow via fts5MergeRowidLists()","summary":"SQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes the output buffer when merging detail=none prefix doclists. Attackers who can populate a detail=none FTS5 table with negative r…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-787"],"vendor":"SQLite","product":"SQLite","affected":["SQLite < 3.54.0"],"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T11:30:39.153Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119373","references":[{"url":"https://sqlite.org/bugs/info/2026-08-04T08:49:27Z"},{"url":"https://sqlite.org/src/info/a7f8c92f62"},{"url":"https://github.com/sqlite/sqlite/commit/e1c9934f9f11a499029abb020ea715a08970da80"},{"url":"https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/fts5/fts5_index.c#L6107"},{"url":"https://sqlite.org/releaselog/3_54_0.html"},{"url":"https://abraxaslabs.tech/research/sqlite-fts5-rowidmerge"},{"url":"https://github.com/sqlite/sqlite"},{"url":"https://www.vulncheck.com/advisories/sqlite-before-3.54.0-fts5-heap-buffer-overflow-via-fts5mergerowidlists","label":"VulnCheck Advisory: SQLite before 3.54.0 FTS5 Heap Buffer Overflow via fts5MergeRowidLists()"}],"tags":["cve.org"],"epss":0.00144,"epssPercentile":0.03659,"ingestedAt":"2026-11-03T10:42:03.636Z","slug":"CVE-2026-119373","body":"## Overview\n\nSQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes the output buffer when merging detail=none prefix doclists. Attackers who can populate a detail=none FTS5 table with negative rowids and run a prefix MATCH query can write past the allocation, corrupting heap memory and crashing the process.\n\n## Affected\n\n- `SQLite < 3.54.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}