NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via modproxyuwsgi and a crafted uwsgi response with Transfer-Encoding.
This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.
Missing authentication checks in modauthdigest 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.
Apache HTTP Server: modvhostalias stack overflow
A NULL pointer dereference in modxml2enc 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.
Authentication bypass by capture-replay in modauthdigest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Use after free in modauthdigest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Integer overflow in moddavfs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.
Out-of-bounds Write vulnerability in Apache HTTP Server's modproxyhtml with crafted HTTP response bodies.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
Apache HTTP Server: Out-of-Bounds Write in apdirectorywalk() Canonical-Name Rewrite on CASEBLINDFILESYSTEM
Improper validation of FTP PASV reply address in modproxyftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's modsessioncookie 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.
Out-of-bounds Write vulnerability in Apache HTTP Server's modcharsetlite.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
802.1X. An authentication issue was addressed with improved state management.
802.1X. An authentication issue was addressed with improved state management.
Heap-based Buffer Overflow vulnerability in Apache HTTP Server with modxml2enc, xml2StartParse, and untrusted content
Heap-based Buffer Overflow vulnerability in Apache HTTP Server with modxml2enc, xml2StartParse, and untrusted content
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.
Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp 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.
A buffer overflow in modproxyhtml in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.
Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server
A buffer overflow in modproxyhtml in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.
Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server
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.
Accounts Framework. This issue was addressed with improved data protection.
CVE-2024-42516 - this is the "complete" fix for the CVE-2023-38709 response splitting issue. The patch issued upstream for CVE-2023-38709 did not fix the vulnerability.
Apache HTTP Server: modproxyajp: Heap Over-Read and memory disclosure in ajpparsedata()
A NULL pointer dereference in moddavlock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.moddavlock is not used internally by moddav or moddavfs.
The only known use-case for moddavlock was moddavsvn 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 moddavlock.
Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie
Last updated 20 July 2026
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the modproxyftp 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.
Last updated 20 July 2026