# ELSA-2023-5837: Security update for 3 packages

ELSA-2023-5837, released October 19, 2023, fixes 1 CVE across 3 products. One of them is being exploited (CVE-2023-44487); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-5837
- Platform: Linux
- Released: Oct 19, 2023
- Priority: Patch now (Closes CVE-2023-44487, exploited (CISA KEV))
- CVEs: 1, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-5837.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libnghttp2](https://patchblox.com/security/data/product/linux/libnghttp2.md) | ol 8 | 0:1.33.0-5.el8_8 |
| [libnghttp2-devel](https://patchblox.com/security/data/product/linux/libnghttp2-devel.md) | ol 8 | 0:1.33.0-5.el8_8 |
| [nghttp2](https://patchblox.com/security/data/product/linux/nghttp2.md) | ol 8 | 0:1.33.0-5.el8_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-44487](https://patchblox.com/security/data/cve/CVE-2023-44487.md) | Patch now | MITRE: CVE-2023-44487 HTTP/2 Rapid Reset Attack | 7.5 | 1.0000 | CISA KEV |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo