# RHSA-2026:47046: httpd security update

RHSA-2026:47046, released June 24, 2026, fixes 12 CVEs in httpd (version 2.4.63-1.el10_0.4). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-47046
- Platform: Linux
- Released: Jun 24, 2026
- Priority: High (Closes CVE-2026-28780, high severity)
- CVEs: 12, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:47046

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [httpd](https://patchblox.com/security/data/product/linux/httpd.md) | RHEL 10 | 2.4.63-1.el10_0.4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-28780](https://patchblox.com/security/data/cve/CVE-2026-28780.md) | High | httpd: Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malic... | 9.8 | 0.0138 |  |
| [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-2026-33007](https://patchblox.com/security/data/cve/CVE-2026-33007.md) | High | Apache HTTP Server: mod_authn_socache crash | 8.2 | 0.0051 |  |
| [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 |  |
| [CVE-2026-34032](https://patchblox.com/security/data/cve/CVE-2026-34032.md) | High | Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string) | 8.2 | 0.0049 |  |
| [CVE-2026-34059](https://patchblox.com/security/data/cve/CVE-2026-34059.md) | High | Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in  ajp_parse_data() | 8.2 | 0.0039 |  |
| [CVE-2026-33857](https://patchblox.com/security/data/cve/CVE-2026-33857.md) | High | Apache HTTP Server: Off-by-one OOB reads in AJP getter functions | 8.2 | 0.0039 |  |

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Data as of 2026-11-07T18:46:35Z 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

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