lemon: In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NUL...
CVE-2019-9937 is fixed in 4 products on 1 platform, first by lemon 3.22.0-1ubuntu0.1, released May 30, 2019. It is not reported as exploited. Patch Radar priority: Routine.
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| lemon · Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | lemon 3.22.0-1ubuntu0.1 | May 30, 2019 |
| libsqlite3-0 · Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | libsqlite3-0 3.22.0-1ubuntu0.1 | May 30, 2019 |
| libsqlite3-tcl · Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | libsqlite3-tcl 3.22.0-1ubuntu0.1 | May 30, 2019 |
| sqlite3 · Ubuntu 18.04.6 LTS (bionic) | 3.22.0-1ubuntu0.1 | sqlite3 3.22.0-1ubuntu0.1 | May 30, 2019 |
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