CVE-2026-119372
SQLite before 3.54.0 Use-After-Free in FTS3 fts3BestSnippet() via snippet()
- State
- Published
- Severity
- 6.8 Medium
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 30, 2026
Description
SQLite before 3.54.0 built with FTS3/FTS4 and SQLITE_ENABLE_FTS3_PARENTHESIS contains a use-after-free vulnerability in fts3BestSnippet() caused by dangling cached position-list pointers. Attackers can run a full-text MATCH query combining OR and NEAR operators with snippet() to read freed heap memory and crash the process.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
SQLiteSQLite |
|
References
- https://sqlite.org/bugs/info/2026-08-17T09:18:24Zissue-tracking
- https://sqlite.org/src/info/e4635c4153patch
- https://github.com/sqlite/sqlite/commit/a87bd2471a9c0606e78d3c3678bcd9cecaa0e731patch
- https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/fts3/fts3_snippet.c#L561technical-description
- https://sqlite.org/releaselog/3_54_0.htmlrelease-notes
- https://abraxaslabs.tech/research/sqlite-fts3-snippetthird-party-advisory
- https://github.com/sqlite/sqliteproduct
- VulnCheck Advisory: SQLite before 3.54.0 Use-After-Free in FTS3 fts3BestSnippet() via snippet()third-party-advisory
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