# CVE-2025-7709: lemon: An integer overflow exists in the  FTS5 https://sqlite.org/fts5.html extension

CVE-2025-7709 is fixed in 7 products on 1 platform, first by lemon 3.45.1-1ubuntu2.5, released September 8, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-7709
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0037
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 8, 2025

## Description

An integer overflow exists in the  FTS5 https://sqlite.org/fts5.html extension. It occurs when the size of an array of tombstone pointers iscalculated and truncated into a 32-bit integer. A pointer to partiallycontrolled data can then be written out of bounds.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lemon Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.5 | [lemon 3.45.1-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-lemon-3.45.1-1ubuntu2.5.md) | Sep 8, 2025 |
| Linux | lemon Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [lemon 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-lemon-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | libsqlite3-0 Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.5 | [libsqlite3-0 3.45.1-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libsqlite3-0-3.45.1-1ubuntu2.5.md) | Sep 8, 2025 |
| Linux | libsqlite3-0 Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [libsqlite3-0 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libsqlite3-0-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | libsqlite3-ext-csv Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [libsqlite3-ext-csv 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libsqlite3-ext-csv-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | libsqlite3-ext-icu Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [libsqlite3-ext-icu 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libsqlite3-ext-icu-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | libsqlite3-tcl Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.5 | [libsqlite3-tcl 3.45.1-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libsqlite3-tcl-3.45.1-1ubuntu2.5.md) | Sep 8, 2025 |
| Linux | libsqlite3-tcl Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [libsqlite3-tcl 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libsqlite3-tcl-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | sqlite3 Debian 13.5 (trixie) | 3.46.1-7+deb13u1 | [DEBIAN-CVE-2025-7709](https://patchblox.com/security/data/fix/linux/debian-cve-2025-7709.md) | Sep 8, 2025 |
| Linux | sqlite3 Debian 14 | 3.46.1-8 | [DEBIAN-CVE-2025-7709](https://patchblox.com/security/data/fix/linux/debian-cve-2025-7709.md) | Sep 8, 2025 |
| Linux | sqlite3 Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.5 | [sqlite3 3.45.1-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-sqlite3-3.45.1-1ubuntu2.5.md) | Sep 8, 2025 |
| Linux | sqlite3 Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [sqlite3 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-sqlite3-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |
| Linux | sqlite3 opensuse-leap 15.6 | 3.51.3-150000.3.39.1 | [SUSE-SU-2026:1065-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1065-1.md) | Mar 26, 2026 |
| Linux | sqlite3 opensuse-leap 16.0 | 3.51.3-160000.1.1 | [OPENSUSE-SU-2026:20513-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20513-1.md) | Apr 10, 2026 |
| Linux | sqlite3 sles 15.7 | 3.51.3-150000.3.39.1 | [SUSE-SU-2026:1065-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1065-1.md) | Mar 26, 2026 |
| Linux | sqlite3 sles 16.0 | 3.51.3-160000.1.1 | [SUSE-SU-2026:21173-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21173-1.md) | Apr 10, 2026 |
| Linux | sqlite3-tools Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.5 | [sqlite3-tools 3.45.1-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-sqlite3-tools-3.45.1-1ubuntu2.5.md) | Sep 8, 2025 |
| Linux | sqlite3-tools Ubuntu 25.04 (plucky) | 3.46.1-3ubuntu0.3 | [sqlite3-tools 3.46.1-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-sqlite3-tools-3.46.1-3ubuntu0.3.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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