CVE-2026-119378: SQLite before 3.54.0 Use-After-Free in R-Tree nodeWrite()
CVE-2026-119378 is a vulnerability in SQLite before 3.54.0 Use-After-Free in R-Tree nodeWrite(), rated Moderate by Microsoft, with a CVSS 3.1 base score of 5.5 (Medium). An attacker can exploit it by an attacker with local access, without any privileges and only if a user takes an action. Microsoft has not reported exploitation in the wild. The EPSS model estimates a 0.16% probability of exploitation activity in the next 30 days, higher than 6% of all scored vulnerabilities. Microsoft released the fix on 31 October 2026, outside Patch Tuesday. It affects 1 product in 1 product family (Open Source Software).
Key facts
- CVE ID
- CVE-2026-119378
- Severity
- Medium CVSS 5.5
- Microsoft severity
- Moderate
- Exploited in the wild
- No
- Publicly disclosed
- No
- Weakness
- CWE-416
- EPSS
- 0.16% (percentile 6%)
- CISA KEV
- Not listed
- Released
- Last updated
- Patch Tuesday
- October 2026 Patch Tuesday
- Product families
- Open Source Software
CVSS score and vector
Microsoft scores CVE-2026-119378 at 5.5 (temporal 5.5) using CVSS 3.1. Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
| Metric | Value |
|---|---|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality impact | None |
| Integrity impact | None |
| Availability impact | High |
Affected products (1)
Open Source Software
| Product | Security update | Type | Fixed build | Restart |
|---|---|---|---|---|
| azl3 sqlite 3.44.0-4 on Azure Linux 3.0 | Release Notes | Security Update |
NIST NVD data
- NVD status
- Awaiting Analysis
- NVD CVSS
- 5.5 (MEDIUM)
- NVD weakness
- CWE-416
- Published to NVD
- NVD last modified
References
- https://abraxaslabs.tech/research/sqlite-rtree-rowid0
- https://github.com/sqlite/sqlite
- https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/rtree/rtree.c#L905
- https://github.com/sqlite/sqlite/commit/d21bd37c7cfc1b85b17a6703555f0926b6236e04
- https://sqlite.org/releaselog/3_54_0.html
- https://sqlite.org/src/info/6a9e1415659f9e75
- https://www.vulncheck.com/advisories/sqlite-before-3.54.0-use-after-free-in-r-tree-nodewrite
Revision history
| Version | Date | Description |
|---|---|---|
| 1.0 | Information published. |