# CVE-2025-10966: missing SFTP host verification with wolfSSH

CVE-2025-10966 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2025-10966, released November 7, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-10966
- Priority: Routine
- CVSS: 6.8 (Moderate)
- EPSS: 0.0043
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 7, 2025
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-10966

## Description

curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms.  This prevents curl from detecting MITM attackers and more.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | curl Debian 14 | 8.17.0~rc2-1 | [DEBIAN-CVE-2025-10966](https://patchblox.com/security/data/fix/linux/debian-cve-2025-10966.md) | Nov 7, 2025 |
| Linux | curl amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-debugsource amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-minimal amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-minimal-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-devel amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-minimal amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-minimal-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |

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Data as of 2026-11-09T13:31:49Z 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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