# ELSA-2021-4903: Security update for 10 packages

ELSA-2021-4903, released December 1, 2021, fixes 1 CVE across 10 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/elsa-2021-4903
- Platform: Linux
- Released: Dec 1, 2021
- Priority: Urgent (Closes CVE-2021-43527, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2021-4903.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [nss](https://patchblox.com/security/data/product/linux/nss.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-devel](https://patchblox.com/security/data/product/linux/nss-devel.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-softokn](https://patchblox.com/security/data/product/linux/nss-softokn.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-softokn-devel](https://patchblox.com/security/data/product/linux/nss-softokn-devel.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-softokn-freebl](https://patchblox.com/security/data/product/linux/nss-softokn-freebl.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-softokn-freebl-devel](https://patchblox.com/security/data/product/linux/nss-softokn-freebl-devel.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-sysinit](https://patchblox.com/security/data/product/linux/nss-sysinit.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-tools](https://patchblox.com/security/data/product/linux/nss-tools.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-util](https://patchblox.com/security/data/product/linux/nss-util.md) | ol 8 | 0:3.67.0-7.el8_5 |
| [nss-util-devel](https://patchblox.com/security/data/product/linux/nss-util-devel.md) | ol 8 | 0:3.67.0-7.el8_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-43527](https://patchblox.com/security/data/cve/CVE-2021-43527.md) | Urgent | nss-sysinit: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-... | 9.8 | 0.1756 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo