# ELSA-2020-2637: Security update for 5 packages

ELSA-2020-2637, released June 22, 2020, fixes 1 CVE across 5 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2020-2637
- Platform: Linux
- Released: Jun 22, 2020
- Priority: High (Closes CVE-2020-13777, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2020-2637.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gnutls](https://patchblox.com/security/data/product/linux/gnutls.md) | ol 8 | 0:3.6.8-11.el8_2 |
| [gnutls-c++](https://patchblox.com/security/data/product/linux/gnutls-c.md) | ol 8 | 0:3.6.8-11.el8_2 |
| [gnutls-dane](https://patchblox.com/security/data/product/linux/gnutls-dane.md) | ol 8 | 0:3.6.8-11.el8_2 |
| [gnutls-devel](https://patchblox.com/security/data/product/linux/gnutls-devel.md) | ol 8 | 0:3.6.8-11.el8_2 |
| [gnutls-utils](https://patchblox.com/security/data/product/linux/gnutls-utils.md) | ol 8 | 0:3.6.8-11.el8_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-13777](https://patchblox.com/security/data/cve/CVE-2020-13777.md) | High | gnutls: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorit... | 7.4 | 0.2246 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo