high7.8
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…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| SQLite | SQLite | before 3.54.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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
- https://sqlite.org/releaselog/3_54_0.html
- https://sqlite.org/src/info/a7f8c92f62
- https://www.vulncheck.com/advisories/sqlite-before-3.54.0-fts5-heap-buffer-overflow-via-fts5mergerowidlists