Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.
This issue affects Apache HTTP Server: 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | May 6, 2026 | May 4, 2026 |
| Amazon_linux_2023 | — | Upgrade mod_http2-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_http2 | May 28, 2026 | May 4, 2026 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | May 5, 2026 | May 4, 2026 |
| Apple Osx Apache | — | Upgrade macOS to the latest version | Sep 10, 2026 | Jul 27, 2026 |
| Debian | — | Upgrade apache2 | May 7, 2026 | May 7, 2026 |
| Freebsd | — | Upgrade apache24 | May 6, 2026 | May 5, 2026 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Aug 16, 2026 | Aug 13, 2026 |
| Ubuntu | — | Upgrade apache2 | May 25, 2026 | May 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 4, 2026 |
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