# CVE-2026-94287: libxpm4: A denial of service via unsigned underflow in libXpm's write path in libXpm before 3.5.19 could be used by local atta...

CVE-2026-94287 is fixed in 4 products on 1 platform, first by libxpm4 1:3.5.17-1ubuntu0.26.04.2, released September 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-94287
- Priority: Routine
- CVSS: 5.5 (Medium)
- EPSS: 0.0013
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 28, 2026

## Description

A denial of service via unsigned underflow in libXpm's write path in libXpm before 3.5.19 could be used by local attackers to cause unbounded CPU usage and memory exhaustion.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libXpm opensuse-leap 16.0 | 3.5.17-160000.4.1 | [OPENSUSE-SU-2026:22056-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22056-1.md) | Nov 7, 2026 |
| Linux | libXpm sles 15.7 | 3.5.12-150000.3.13.1 | [SUSE-SU-2026:4763-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4763-1.md) | Nov 7, 2026 |
| Linux | libXpm sles 16.0 | 3.5.17-160000.4.1 | [SUSE-SU-2026:24204-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24204-1.md) | Nov 7, 2026 |
| Linux | libxpm Debian 14 | 1:3.5.20-1 | [DEBIAN-CVE-2026-94287](https://patchblox.com/security/data/fix/linux/debian-cve-2026-94287.md) | Sep 28, 2026 |
| Linux | libxpm4 Ubuntu 22.04.1 LTS (jammy) | 1:3.5.12-1ubuntu0.22.04.4 | [libxpm4 1:3.5.12-1ubuntu0.22.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxpm4-1-3.5.12-1ubuntu0.22.04.4.md) | Oct 2, 2026 |
| Linux | libxpm4 Ubuntu 24.04.5 LTS (noble) | 1:3.5.17-1ubuntu0.24.04.2 | [libxpm4 1:3.5.17-1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libxpm4-1-3.5.17-1ubuntu0.24.04.2.md) | Oct 2, 2026 |
| Linux | libxpm4 Ubuntu 26.04.1 LTS (resolute) | 1:3.5.17-1ubuntu0.26.04.2 | [libxpm4 1:3.5.17-1ubuntu0.26.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libxpm4-1-3.5.17-1ubuntu0.26.04.2.md) | Sep 28, 2026 |
| Linux | xpmutils Ubuntu 22.04.1 LTS (jammy) | 1:3.5.12-1ubuntu0.22.04.4 | [xpmutils 1:3.5.12-1ubuntu0.22.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xpmutils-1-3.5.12-1ubuntu0.22.04.4.md) | Oct 2, 2026 |
| Linux | xpmutils Ubuntu 24.04.5 LTS (noble) | 1:3.5.17-1ubuntu0.24.04.2 | [xpmutils 1:3.5.17-1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-xpmutils-1-3.5.17-1ubuntu0.24.04.2.md) | Oct 2, 2026 |
| Linux | xpmutils Ubuntu 26.04.1 LTS (resolute) | 1:3.5.17-1ubuntu0.26.04.2 | [xpmutils 1:3.5.17-1ubuntu0.26.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-xpmutils-1-3.5.17-1ubuntu0.26.04.2.md) | Sep 28, 2026 |

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Data as of 2026-11-09T01:18:40Z 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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