# ELSA-2021-4513: Security update for 3 packages

ELSA-2021-4513, released November 16, 2021, fixes 4 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/elsa-2021-4513
- Platform: Linux
- Released: Nov 16, 2021
- Priority: Routine (Closes 4 CVEs, none high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2021-4513.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libsepol](https://patchblox.com/security/data/product/linux/libsepol.md) | ol 8 | 0:2.9-3.el8 |
| [libsepol-devel](https://patchblox.com/security/data/product/linux/libsepol-devel.md) | ol 8 | 0:2.9-3.el8 |
| [libsepol-static](https://patchblox.com/security/data/product/linux/libsepol-static.md) | ol 8 | 0:2.9-3.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-36086](https://patchblox.com/security/data/cve/CVE-2021-36086.md) | Routine | libsepol: The libsepol library provides an API for the manipulation of SELinux binary policies | 3.3 | 0.0059 |  |
| [CVE-2021-36087](https://patchblox.com/security/data/cve/CVE-2021-36087.md) | Routine | libsepol: The libsepol library provides an API for the manipulation of SELinux binary policies | 3.3 | 0.0048 |  |
| [CVE-2021-36084](https://patchblox.com/security/data/cve/CVE-2021-36084.md) | Routine | libsepol: The libsepol library provides an API for the manipulation of SELinux binary policies | 3.3 | 0.0046 |  |
| [CVE-2021-36085](https://patchblox.com/security/data/cve/CVE-2021-36085.md) | Routine | libsepol: The libsepol library provides an API for the manipulation of SELinux binary policies | 3.3 | 0.0045 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo