---
title: "CVE-2026-119373: SQLite - Buffer Overflow"
description: "SQLite < 3.54.0 built with FTS5 contains a heap buffer overflow caused by undersized output buffer in fts5MergeRowidLists() when merging detail=none prefix doclists, letting attackers corrupt heap memory and crash the process, exploit requires ability to populate detail=none FTS5 table with negative rowids and run prefix MATCH query."
url: https://panop.io/threat-heartbeat/CVE-2026-119373/
---

# CVE-2026-119373 SQLite - Buffer Overflow

SQLite < 3.54.0 built with FTS5 contains a heap buffer overflow caused by undersized output buffer in fts5MergeRowidLists() when merging detail=none prefix doclists, letting attackers corrupt heap memory and crash the process, exploit requires ability to populate detail=none FTS5 table with negative rowids and run prefix MATCH query.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-119373)

## Details

Type

Buffer Overflow

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

30 October 2026

Updated

1 November 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to version 3.54.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-119373](https://nvd.nist.gov/vuln/detail/CVE-2026-119373)
- [https://sqlite.org/releaselog/3\_54\_0.html](https://sqlite.org/releaselog/3_54_0.html)
- [https://sqlite.org/src/info/a7f8c92f62](https://sqlite.org/src/info/a7f8c92f62)
- [https://www.vulncheck.com/advisories/sqlite-before-3.54.0-fts5-heap-buffer-overflow-via-fts5mergerowidlists](https://www.vulncheck.com/advisories/sqlite-before-3.54.0-fts5-heap-buffer-overflow-via-fts5mergerowidlists)
- [https://abraxaslabs.tech/research/sqlite-fts5-rowidmerge](https://abraxaslabs.tech/research/sqlite-fts5-rowidmerge)
- [https://github.com/sqlite/sqlite](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/blob/version-3.53.4/ext/fts5/fts5_index.c#L6107)
- [https://github.com/sqlite/sqlite/commit/e1c9934f9f11a499029abb020ea715a08970da80](https://github.com/sqlite/sqlite/commit/e1c9934f9f11a499029abb020ea715a08970da80)
- [https://sqlite.org/bugs/info/2026-08-04T08:49:27Z](https://sqlite.org/bugs/info/2026-08-04T08:49:27Z)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)