# libcurl4t64 8.14.1-2ubuntu1.2: libcurl4t64 8.14.1-2ubuntu1.2 for Ubuntu 25.10 (questing)

libcurl4t64 8.14.1-2ubuntu1.2, released March 11, 2026, fixes 4 CVEs in libcurl4t64. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.2
- Platform: Linux
- Released: Mar 11, 2026
- Priority: High (Closes CVE-2026-3805, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libcurl4t64](https://patchblox.com/security/data/product/linux/libcurl4t64.md) | Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-3805](https://patchblox.com/security/data/cve/CVE-2026-3805.md) | High | use after free in SMB connection reuse | 7.5 | 0.0090 |  |
| [CVE-2026-3783](https://patchblox.com/security/data/cve/CVE-2026-3783.md) | High | token leak with redirect and netrc | 8.1 | 0.0050 |  |
| [CVE-2026-1965](https://patchblox.com/security/data/cve/CVE-2026-1965.md) | High | bad reuse of HTTP Negotiate connection | 8.1 | 0.0030 |  |
| [CVE-2026-3784](https://patchblox.com/security/data/cve/CVE-2026-3784.md) | Routine | wrong proxy connection reuse with credentials | 6.5 | 0.0045 |  |

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Data as of 2026-11-12T13:55:20Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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