# ELSA-2021-4235: Security update for 2 packages

ELSA-2021-4235, released November 16, 2021, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2021-4235
- Platform: Linux
- Released: Nov 16, 2021
- Priority: High (Closes CVE-2020-27828, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2021-4235.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [jasper-devel](https://patchblox.com/security/data/product/linux/jasper-devel.md) | ol 8 | 0:2.0.14-5.el8 |
| [jasper-libs](https://patchblox.com/security/data/product/linux/jasper-libs.md) | ol 8 | 0:2.0.14-5.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-27828](https://patchblox.com/security/data/cve/CVE-2020-27828.md) | High | jasper-devel: JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.  Security Fix(es):  * jasper: Heap... | 7.8 | 0.0139 |  |
| [CVE-2021-26926](https://patchblox.com/security/data/cve/CVE-2021-26926.md) | High | jasper-devel: JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.  Security Fix(es):  * jasper: Heap... | 7.8 | 0.0120 |  |
| [CVE-2021-3272](https://patchblox.com/security/data/cve/CVE-2021-3272.md) | High | jasper-devel: JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.  Security Fix(es):  * jasper: Heap... | 7.8 | 0.0112 |  |
| [CVE-2021-26927](https://patchblox.com/security/data/cve/CVE-2021-26927.md) | High | jasper-devel: JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.  Security Fix(es):  * jasper: Heap... | 7.8 | 0.0109 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo