# RHSA-2026:42828: Security update for 11 packages

RHSA-2026:42828, released July 22, 2026, fixes 9 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-42828
- Platform: Linux
- Released: Jul 22, 2026
- Priority: High (Closes CVE-2026-34355, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:42828

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [httpd](https://patchblox.com/security/data/product/linux/httpd.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [httpd-devel](https://patchblox.com/security/data/product/linux/httpd-devel.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [httpd-filesystem](https://patchblox.com/security/data/product/linux/httpd-filesystem.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [httpd-manual](https://patchblox.com/security/data/product/linux/httpd-manual.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [httpd-tools](https://patchblox.com/security/data/product/linux/httpd-tools.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [mod_http2](https://patchblox.com/security/data/product/linux/mod-http2.md) | RHEL 8 | 0:1.15.7-10.module+el8.10.0+24521+219dcfc5.7 |
| [mod_ldap](https://patchblox.com/security/data/product/linux/mod-ldap.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [mod_md](https://patchblox.com/security/data/product/linux/mod-md.md) | RHEL 8 | 1:2.0.8-8.module+el8.10.0+23815+1b5e1c66.2 |
| [mod_proxy_html](https://patchblox.com/security/data/product/linux/mod-proxy-html.md) | RHEL 8 | 1:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [mod_session](https://patchblox.com/security/data/product/linux/mod-session.md) | RHEL 8 | 0:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |
| [mod_ssl](https://patchblox.com/security/data/product/linux/mod-ssl.md) | RHEL 8 | 1:2.4.37-65.module+el8.10.0+24521+219dcfc5.9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-34355](https://patchblox.com/security/data/cve/CVE-2026-34355.md) | High | Apache HTTP Server: mod_proxy_html buffer overflow | 7.7 | 0.0116 |  |
| [CVE-2026-42536](https://patchblox.com/security/data/cve/CVE-2026-42536.md) | High | Apache HTTP Server: mod_xml2enc heap overflow | 7.7 | 0.0102 |  |
| [CVE-2024-42516](https://patchblox.com/security/data/cve/CVE-2024-42516.md) | High | Apache HTTP Server: HTTP response splitting | 7.7 | 0.0082 |  |
| [CVE-2026-44185](https://patchblox.com/security/data/cve/CVE-2026-44185.md) | High | Apache HTTP Server: Stack Buffer Over-Read in mod_ssl OCSP `send_request` | 7.7 | 0.0074 |  |
| [CVE-2026-34356](https://patchblox.com/security/data/cve/CVE-2026-34356.md) | High | Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow | 7.7 | 0.0071 |  |
| [CVE-2026-29169](https://patchblox.com/security/data/cve/CVE-2026-29169.md) | High | Apache HTTP Server: mod_dav_lock indirect lock crash | 7.7 | 0.0059 |  |
| [CVE-2026-44186](https://patchblox.com/security/data/cve/CVE-2026-44186.md) | High | Apache HTTP Server: Loop in `proxy_ftp_handler` in mod_proxy_ftp | 7.7 | 0.0058 |  |
| [CVE-2026-43951](https://patchblox.com/security/data/cve/CVE-2026-43951.md) | High | Apache HTTP Server: OOB Read in `merge_response_headers` can cause crash | 7.7 | 0.0055 |  |
| [CVE-2026-44631](https://patchblox.com/security/data/cve/CVE-2026-44631.md) | High | Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow | 9.8 | 0.0050 |  |

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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