# ALSA-2024:2368: mod_http2 security update

ALSA-2024:2368, released April 30, 2024, fixes 3 CVEs in mod_http2 (version 2.0.26-1.el9). 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/alsa-2024-2368
- Platform: Linux
- Released: Apr 30, 2024
- Priority: Patch now (Closes CVE-2023-44487, exploited (CISA KEV))
- CVEs: 3, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2024:2368

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [mod_http2](https://patchblox.com/security/data/product/linux/mod-http2.md) | almalinux 9 | 2.0.26-1.el9 |

## 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 |
| [CVE-2023-43622](https://patchblox.com/security/data/cve/CVE-2023-43622.md) | High | apache2: An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connect... | 7.5 | 0.6882 |  |
| [CVE-2023-45802](https://patchblox.com/security/data/cve/CVE-2023-45802.md) | High | apache2: This update for apache2 fixes the following issues:  - CVE-2023-45802: Fixed regression with previous fix (bsc#1233165). | 7.5 | 0.0317 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo