# libgnutls-openssl27t64 3.8.9-3ubuntu2.2: libgnutls-openssl27t64 3.8.9-3ubuntu2.2 for Ubuntu 25.10 (questing)

libgnutls-openssl27t64 3.8.9-3ubuntu2.2, released May 27, 2026, fixes 13 CVEs in libgnutls-openssl27t64. 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-libgnutls-openssl27t64-3.8.9-3ubuntu2.2
- Platform: Linux
- Released: May 27, 2026
- Priority: High (Closes CVE-2026-33845, high severity)
- CVEs: 13, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libgnutls-openssl27t64](https://patchblox.com/security/data/product/linux/libgnutls-openssl27t64.md) | Ubuntu 25.10 (questing) | 3.8.9-3ubuntu2.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-33845](https://patchblox.com/security/data/cve/CVE-2026-33845.md) | High | gnutls: Fix (DTLS fragment reassembly, High, heap overread) | 9.1 | 0.0207 |  |
| [CVE-2026-42009](https://patchblox.com/security/data/cve/CVE-2026-42009.md) | High | Gnutls: gnutls: denial of service via dtls packet reordering vulnerability | 8.2 | 0.0134 |  |
| [CVE-2026-33846](https://patchblox.com/security/data/cve/CVE-2026-33846.md) | High | gnutls: Fix (DTLS fragment reassembly, High, heap overwrite) | 8.2 | 0.0126 |  |
| [CVE-2026-42010](https://patchblox.com/security/data/cve/CVE-2026-42010.md) | High | Gnutls: gnutls: authentication bypass via nul character in username | 9.8 | 0.0105 |  |
| [CVE-2026-3832](https://patchblox.com/security/data/cve/CVE-2026-3832.md) | High | gnutls-dane: Fix (OCSP, Low, revocation bypass) | 8.2 | 0.0080 |  |
| [CVE-2026-5260](https://patchblox.com/security/data/cve/CVE-2026-5260.md) | High | gnutls: Fix (PKCS#11 RSA, Medium, heap overread) | 8.2 | 0.0077 |  |
| [CVE-2026-42015](https://patchblox.com/security/data/cve/CVE-2026-42015.md) | High | Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling | 8.2 | 0.0073 |  |
| [CVE-2026-3833](https://patchblox.com/security/data/cve/CVE-2026-3833.md) | High | gnutls: Fix (Name constraints, Medium, name constraint bypass) | 8.2 | 0.0057 |  |
| [CVE-2026-5419](https://patchblox.com/security/data/cve/CVE-2026-5419.md) | High | Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal | 8.2 | 0.0054 |  |
| [CVE-2026-42011](https://patchblox.com/security/data/cve/CVE-2026-42011.md) | High | Gnutls: gnutls: security bypass due to incorrect name constraint handling | 8.2 | 0.0048 |  |
| [CVE-2026-42013](https://patchblox.com/security/data/cve/CVE-2026-42013.md) | High | Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name | 8.2 | 0.0042 |  |
| [CVE-2026-42012](https://patchblox.com/security/data/cve/CVE-2026-42012.md) | High | gnutls: Fix (CN fallback, Medium, certificate misuse) | 8.2 | 0.0037 |  |
| [CVE-2026-42014](https://patchblox.com/security/data/cve/CVE-2026-42014.md) | High | Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin | 8.2 | 0.0015 |  |

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Data as of 2026-11-12T19:57:06Z 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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