# RHSA-2022:1939: Security update for 3 packages

RHSA-2022:1939, released May 10, 2022, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-1939
- Platform: Linux
- Released: May 10, 2022
- Priority: Routine (Closes CVE-2021-28116)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:1939

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libecap](https://patchblox.com/security/data/product/linux/libecap.md) | RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 |
| [libecap-devel](https://patchblox.com/security/data/product/linux/libecap-devel.md) | RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 |
| [squid](https://patchblox.com/security/data/product/linux/squid.md) | RHEL 8 | 7:4.15-3.module+el8.6.0+14176+9782b8ab |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-28116](https://patchblox.com/security/data/cve/CVE-2021-28116.md) | Routine | squid: Squid through 4.14 and 5.x through 5.0.5, in some configurations, allowsinformation disclosure because of an out-of-b... | 5.3 | 0.1295 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo