# CVE-2022-40983: qt6-declarative: An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2

CVE-2022-40983 is fixed in qt6-declarative on 1 platform, first by DEBIAN-CVE-2022-40983, released January 12, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-40983
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0111
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 12, 2023

## Description

An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an integer overflow during memory allocation, which can lead to arbitrary code execution. Target application would need to access a malicious web page to trigger this vulnerability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | qt6-declarative Debian 12.15 (bookworm) | 6.4.2+dfsg~rc1-2 | [DEBIAN-CVE-2022-40983](https://patchblox.com/security/data/fix/linux/debian-cve-2022-40983.md) | Jan 12, 2023 |
| Linux | qt6-declarative Debian 13.5 (trixie) | 6.4.2+dfsg~rc1-2 | [DEBIAN-CVE-2022-40983](https://patchblox.com/security/data/fix/linux/debian-cve-2022-40983.md) | Jan 12, 2023 |
| Linux | qt6-declarative Debian 14 | 6.4.2+dfsg~rc1-2 | [DEBIAN-CVE-2022-40983](https://patchblox.com/security/data/fix/linux/debian-cve-2022-40983.md) | Jan 12, 2023 |

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