CVE-2026-119373
7.8, highSQLite Out-of-Bounds Write Vulnerability
- CVSS
- 7.8, high high CVSS v3.1
- EPSS, next 30 days
- n/a
- Exploitation
- No public evidence
- Published
- 30 Oct 2026yesterday
Description
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.
Details
- Vendor
- SQLite
- Product
- SQLite
- Weakness
- CWE-787 (opens in a new tab)
- Status
- Undergoing analysis
- Updated
- 30 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References 8
Patches and fixes 1
Other references 7
- abraxaslabs.tech /research/sqlite-fts5-rowidmerge (opens in a new tab)
- github.com /sqlite/sqlite (opens in a new tab)
- github.com /sqlite/sqlite/blob/version-3.53.4/ext/fts5/fts5_index.c#L6107 (opens in a new tab)
- sqlite.org /bugs/info/2026-08-04T08:49:27Z (opens in a new tab)
- sqlite.org /releaselog/3_54_0.html (opens in a new tab)
- sqlite.org /src/info/a7f8c92f62 (opens in a new tab)
- vulncheck.com /advisories/sqlite-before-3.54.0-fts5-heap-buffer-overflow-via-fts5mergerowidlists (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Beyond this page
Is CVE-2026-119373 in your network?
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 31 Oct 2026, not the live upstream state.