# libpython3.14-stdlib 3.14.0-1ubuntu0.2: libpython3.14-stdlib 3.14.0-1ubuntu0.2 for Ubuntu 25.10 (questing)

libpython3.14-stdlib 3.14.0-1ubuntu0.2, released January 20, 2026, fixes 6 CVEs in libpython3.14-stdlib. 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-libpython3.14-stdlib-3.14.0-1ubuntu0.2
- Platform: Linux
- Released: Jan 20, 2026
- Priority: High (Closes CVE-2025-12084, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libpython3.14-stdlib](https://patchblox.com/security/data/product/linux/libpython3.14-stdlib.md) | Ubuntu 25.10 (questing) | 3.14.0-1ubuntu0.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-12084](https://patchblox.com/security/data/cve/CVE-2025-12084.md) | High | Quadratic complexity in node ID cache clearing | 7.5 | 0.0086 |  |
| [CVE-2026-0865](https://patchblox.com/security/data/cve/CVE-2026-0865.md) | High | wsgiref.headers.Headers allows header newline injection | 8.1 | 0.0055 |  |
| [CVE-2025-15282](https://patchblox.com/security/data/cve/CVE-2025-15282.md) | High | Header injection via newlines in data URL mediatype | 8.1 | 0.0054 |  |
| [CVE-2026-0672](https://patchblox.com/security/data/cve/CVE-2026-0672.md) | High | Header injection in http.cookies.Morsel | 8.1 | 0.0048 |  |
| [CVE-2025-13837](https://patchblox.com/security/data/cve/CVE-2025-13837.md) | High | Out-of-memory when loading Plist | 8.1 | 0.0024 |  |
| [CVE-2025-11468](https://patchblox.com/security/data/cve/CVE-2025-11468.md) | Routine | Folding email comments of unfoldable characters doesn't preserve parenthesis | 5.7 | 0.0062 |  |

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Data as of 2026-11-10T01:44:33Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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