Security Vulnerabilities
Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
CVSS Score
7.5
EPSS Score
0.009
Published
2026-10-01
A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-10-01
Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
9.8
EPSS Score
0.006
Published
2026-10-01
Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-10-01
Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
9.8
EPSS Score
0.006
Published
2026-10-01
Out-of-bounds Write vulnerability in Apache HTTP Server's mod_proxy_html with crafted HTTP response bodies.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
7.5
EPSS Score
0.006
Published
2026-10-01
Missing authentication checks in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause a denial of service (forced re-authentication) via forged Authorization headers when Digest authentication is enabled with AuthDigestNcCheck .
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
CVSS Score
7.5
EPSS Score
0.006
Published
2026-10-01
NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-10-01
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module.
When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-10-01
Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime.
This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.
CVSS Score
3.7
EPSS Score
0.005
Published
2026-10-01