# CVE-2024-3209: upx-ucl: A vulnerability was found in UPX up to 4.2.2

CVE-2024-3209 is fixed in upx-ucl on 1 platform, first by DEBIAN-CVE-2024-3209, released April 2, 2024. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2024-3209
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0122
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2024

## Description

A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | upx-ucl Debian 13.5 (trixie) | 4.2.4-1 | [DEBIAN-CVE-2024-3209](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3209.md) | Apr 2, 2024 |
| Linux | upx-ucl Debian 14 | 4.2.4-1 | [DEBIAN-CVE-2024-3209](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3209.md) | Apr 2, 2024 |

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