# CVE-2025-41259: swupdate: SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivil...

CVE-2025-41259 is fixed in swupdate on 1 platform, first by DEBIAN-CVE-2025-41259, released June 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-41259
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0010
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 3, 2026

## Description

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | swupdate Debian 12.15 (bookworm) | 2022.12+dfsg-4+deb12u3 | [DEBIAN-CVE-2025-41259](https://patchblox.com/security/data/fix/linux/debian-cve-2025-41259.md) | Jun 24, 2026 |
| Linux | swupdate Debian 14 | 2026.05+dfsg-1 | [DEBIAN-CVE-2025-41259](https://patchblox.com/security/data/fix/linux/debian-cve-2025-41259.md) | Jun 24, 2026 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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