# CVE-2024-54028: catdoc: An integer underflow vulnerability exists in the OLE Document DIFAT Parser functionality of catdoc 0.95

CVE-2024-54028 is fixed in catdoc on 1 platform, first by catdoc 1:0.95-4.1ubuntu0.18.04.1~esm1, released June 2, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-54028
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0034
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 2, 2025

## Description

An integer underflow vulnerability exists in the OLE Document DIFAT Parser functionality of catdoc 0.95. A specially crafted malformed file can lead to heap-based memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | catdoc Debian 12.15 (bookworm) | 1:0.95-6~deb12u1 | [DEBIAN-CVE-2024-54028](https://patchblox.com/security/data/fix/linux/debian-cve-2024-54028.md) | Jun 2, 2025 |
| Linux | catdoc Debian 13.5 (trixie) | 1:0.95-6 | [DEBIAN-CVE-2024-54028](https://patchblox.com/security/data/fix/linux/debian-cve-2024-54028.md) | Jun 2, 2025 |
| Linux | catdoc Debian 14 | 1:0.95-6 | [DEBIAN-CVE-2024-54028](https://patchblox.com/security/data/fix/linux/debian-cve-2024-54028.md) | Jun 2, 2025 |
| Linux | catdoc Ubuntu 18.04.6 LTS (bionic) | 1:0.95-4.1ubuntu0.18.04.1~esm1 | [catdoc 1:0.95-4.1ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-catdoc-1-0.95-4.1ubuntu0.18.04.1-esm1.md) | Jun 2, 2025 |
| Linux | catdoc Ubuntu 20.04 LTS (focal) | 1:0.95-4.1ubuntu0.20.04.1~esm1 | [catdoc 1:0.95-4.1ubuntu0.20.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-catdoc-1-0.95-4.1ubuntu0.20.04.1-esm1.md) | Jun 2, 2025 |
| Linux | catdoc Ubuntu 22.04.1 LTS (jammy) | 1:0.95-5ubuntu0.22.04.1~esm1 | [catdoc 1:0.95-5ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-catdoc-1-0.95-5ubuntu0.22.04.1-esm1.md) | Jun 2, 2025 |
| Linux | catdoc Ubuntu 24.04.5 LTS (noble) | 1:0.95-5ubuntu0.24.04.1~esm1 | [catdoc 1:0.95-5ubuntu0.24.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-catdoc-1-0.95-5ubuntu0.24.04.1-esm1.md) | Jun 2, 2025 |

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Data as of 2026-11-08T06:59:42Z 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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