# RHSA-2021:4060: Security update for 4 packages

RHSA-2021:4060, released November 2, 2021, fixes 4 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-4060
- Platform: Linux
- Released: Nov 2, 2021
- Priority: High (Closes CVE-2021-33928, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:4060

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libsolv](https://patchblox.com/security/data/product/linux/libsolv.md) | RHEL 8 | 0:0.7.16-3.el8_4 |
| [libsolv-devel](https://patchblox.com/security/data/product/linux/libsolv-devel.md) | RHEL 8 | 0:0.7.16-3.el8_4 |
| [libsolv-tools](https://patchblox.com/security/data/product/linux/libsolv-tools.md) | RHEL 8 | 0:0.7.16-3.el8_4 |
| [python3-solv](https://patchblox.com/security/data/product/linux/python3-solv.md) | RHEL 8 | 0:0.7.16-3.el8_4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-33928](https://patchblox.com/security/data/cve/CVE-2021-33928.md) | High | libsolv: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.  Security... | 7.5 | 0.0147 |  |
| [CVE-2021-33930](https://patchblox.com/security/data/cve/CVE-2021-33930.md) | High | libsolv: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.  Security... | 7.5 | 0.0146 |  |
| [CVE-2021-33929](https://patchblox.com/security/data/cve/CVE-2021-33929.md) | High | libsolv: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.  Security... | 7.5 | 0.0144 |  |
| [CVE-2021-33938](https://patchblox.com/security/data/cve/CVE-2021-33938.md) | High | libsolv: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.  Security... | 7.5 | 0.0142 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo