| Name | CVE-2025-66200 |
| Description | mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are recommended to upgrade to version 2.4.66, which fixes the issue. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1121926 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| apache2 (PTS) | bullseye | 2.4.62-1~deb11u1 | vulnerable |
| bullseye (security) | 2.4.65-1~deb11u1 | vulnerable |
| bookworm | 2.4.65-1~deb12u1 | vulnerable |
| bookworm (security) | 2.4.62-1~deb12u2 | vulnerable |
| trixie | 2.4.65-2 | vulnerable |
| forky | 2.4.65-3 | vulnerable |
| sid | 2.4.66-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| apache2 | source | (unstable) | 2.4.66-1 | | | 1121926 |
Notes
[trixie] - apache2 <no-dsa> (Minor issue)
[bookworm] - apache2 <no-dsa> (Minor issue)
[bullseye] - apache2 <postponed> (Minor issue)
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2025-66200
https://github.com/apache/httpd/commit/9d26b95787b229a3f6195d7beead774d131eeda1