p PatchFirst

PatchFirst · Latest vulnerabilities

apache httpd 2.4.17: known vulnerabilities · Page 2

Known vulnerabilities affecting apache httpd 2.4.17: 86. Compare the fixes below with your installed release.

RSS ↗
Filter vulnerabilities
Clear filters

Vulnerabilities: 86

  1. CVE-2026-44631

    Critical · CVSS 9.8EPSS 0.75%No fix published

    Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

    Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

    Published Updated
  2. CVE-2026-44119

    Medium · CVSS 5.5EPSS 0.29%No fix published

    Apache HTTP Server: escalation of privilege through expressions in .htaccess in multiple modules

    Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. This issue affects Apache HTTP Server: from through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

    Published Updated
  3. CVE-2026-42535

    Critical · CVSS 9.1EPSS 0.71%No fix published

    Apache HTTP Server: mod_dav_fs protected directory access

    A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

    Published Updated
  4. CVE-2026-34356

    High · CVSS 7.5EPSS 1.21%No fix published

    Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow

    Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

    Published Updated
  5. CVE-2026-44186

    High · CVSS 7.3EPSS 1.06%No fix published

    Apache HTTP Server: Loop in `proxy_ftp_handler` in mod_proxy_ftp

    Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

    Published Updated
  6. CVE-2026-29170

    Medium · CVSS 6.1EPSS 1.04%No fix published

    Apache HTTP Server: mod_proxy_ftp XSS

    A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

    Published Updated
  7. CVE-2026-28780

    Critical · CVSS 9.8EPSS 1.63%No fix published

    Apache HTTP Server: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()

    Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

    Published Updated
  8. CVE-2026-29169

    High · CVSS 7.5EPSS 1.57%No fix published

    Apache HTTP Server: mod_dav_lock indirect lock crash

    A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0. Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.

  9. CVE-2026-33523

    Medium · CVSS 6.5EPSS 0.44%No fix published

    Apache HTTP Server: multiple modules: HTTP response splitting forwarding malicious status line

    HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

  10. CVE-2026-34032

    Medium · CVSS 5.3EPSS 0.94%No fix published

    Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

    Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

  11. CVE-2025-58098

    High · CVSS 8.3EPSS 1.42%Fix available

    Apache HTTP Server: Server Side Includes adds query string to #exec cmd=...

    Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

    • Update to 2.4.66
    Published Updated
  12. CVE-2025-66200

    Medium · CVSS 5.4EPSS 0.65%No fix published

    Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo

    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.

    Published Updated

Check your server

Check your installed stack and versions against the current vulnerability feeds.

Check your server →