# RHSA-2020:1840: Security update for 4 packages

RHSA-2020:1840, released April 28, 2020, fixes 3 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-1840
- Platform: Linux
- Released: Apr 28, 2020
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:1840

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [openssl](https://patchblox.com/security/data/product/linux/openssl.md) | RHEL 8 | 1:1.1.1c-15.el8 |
| [openssl-devel](https://patchblox.com/security/data/product/linux/openssl-devel.md) | RHEL 8 | 1:1.1.1c-15.el8 |
| [openssl-libs](https://patchblox.com/security/data/product/linux/openssl-libs.md) | RHEL 8 | 1:1.1.1c-15.el8 |
| [openssl-perl](https://patchblox.com/security/data/product/linux/openssl-perl.md) | RHEL 8 | 1:1.1.1c-15.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-1549](https://patchblox.com/security/data/cve/CVE-2019-1549.md) | Routine | openssl: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as... | 5.3 | 0.0618 |  |
| [CVE-2019-1563](https://patchblox.com/security/data/cve/CVE-2019-1563.md) | Routine | libssl3t64: In situations where an attacker receives automated notification of thesuccess or failure of a decryption attempt an a... | 3.7 | 0.0384 |  |
| [CVE-2019-1547](https://patchblox.com/security/data/cve/CVE-2019-1547.md) | Routine | openssl: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as... | 5.5 | 0.0113 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo