HIGH 8.5 NVD
CVE-2026-119373
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
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 rowids and run a prefix MATCH query can write past the allocation, corrupting heap memory and crashing the process.
References
- https://abraxaslabs.tech/research/sqlite-fts5-rowidmerge
- https://github.com/sqlite/sqlite
- https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/fts5/fts5_index.c#L6107
- https://github.com/sqlite/sqlite/commit/e1c9934f9f11a499029abb020ea715a08970da80
- https://sqlite.org/bugs/info/2026-08-04T08:49:27Z
This high severity vulnerability with a CVSS score of 8.5 was published on 2026-10-30 via NVD.
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