# CVE-2025-4574: Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

CVE-2025-4574 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2025-4574, released May 13, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-4574
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0056
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 13, 2025
- Weakness: Double Free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4574

## Description

In crossbeam-channel rust crate, the internal `Channel` type's `Drop` method has a race condition which could, in some circumstances, lead to a double-free that could result in memory corruption.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | cargo-c opensuse-leap 16.0 | 0.10.15-160000.1.1 | [OPENSUSE-SU-2026:20060-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20060-1.md) | Jan 19, 2026 |
| Linux | cargo-c sles 16.0 | 0.10.15-160000.1.1 | [SUSE-SU-2026:20096-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20096-1.md) | Jan 19, 2026 |
| Linux | gstreamer-devtools opensuse-leap 16.0 | 1.26.7-160000.2.1 | [OPENSUSE-SU-2026:21689-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21689-1.md) | Aug 30, 2026 |
| Linux | gstreamer-devtools sles 16.0 | 1.26.7-160000.2.1 | [SUSE-SU-2026:23572-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23572-1.md) | Aug 30, 2026 |
| Linux | python-maturin opensuse-leap 15.6 | 1.4.0-150600.3.6.1 | [SUSE-SU-2025:01591-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01591-1.md) | May 19, 2025 |
| Linux | rust-crossbeam-channel Debian 13.5 (trixie) | 0.5.15-1 | [DEBIAN-CVE-2025-4574](https://patchblox.com/security/data/fix/linux/debian-cve-2025-4574.md) | May 13, 2025 |
| Linux | rust-crossbeam-channel Debian 14 | 0.5.15-1 | [DEBIAN-CVE-2025-4574](https://patchblox.com/security/data/fix/linux/debian-cve-2025-4574.md) | May 13, 2025 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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