CVE-2026-63686

The Apache HTTP Server (versions before 2.4.69 ) is vulnerable to a NULL pointer dereference within the mod_xml2enc module. An untrusted backend server can trigger a Denial of Service (DoS) by returning a crafted response with a character set that partially succeeds and then fails during conversi...

CVE-2026-63686 Apache HTTP Server: mod_xml2enc crash on charset conversion failure

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...

EUVD-2026-90912

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...

CVE-2026-93546

The Apache HTTP Server (version 2.4.68 and prior) is vulnerable to an integer overflow in the mod_dav_fs component. An authenticated WebDAV client with write access can crash worker processes and cause persistent corruption of a directory's property database. This is achieved by sending PROPPATCH...

CVE-2026-93546 Apache HTTP Server: mod_dav_fs namespace overflow

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...

EUVD-2026-90910

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...

CVE-2026-93546

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...

CVE-2026-79768 Apache HTTP Server: mod_userdir information disclosure

Path equivalence: '/./' single dot directory vulnerability in Apache HTTP Server's moduserdir module when configured with absolute non-wildcard UserDir directive the 2nd form in https://httpd.apache.org/docs/2.4/mod/moduserdir.htmluserdir This issue affects Apache HTTP Server: from 2.4.0 through...

EUVD-2026-90909

Path equivalence: '/./' single dot directory vulnerability in Apache HTTP Server's moduserdir module when configured with absolute non-wildcard UserDir directive the 2nd form in https://httpd.apache.org/docs/2.4/mod/moduserdir.htmluserdir This issue affects Apache HTTP Server: from 2.4.0 through...

CVE-2026-79768

The Apache HTTP Server versions 2.4.0 through 2.4.68 are vulnerable to a path equivalence issue (CWE-55) within the mod_userdir module. The vulnerability occurs when the module is configured with an absolute non-wildcard UserDir directive . This flaw can lead to information disclosure . No specif...

cve-2021-41773-lab

CVE-2021-41773 — 极简 FastAPI 实验环境 一个小型自包含的 FastAPI 实验环境，演示了在验证文件系统边界之前解码用户输入如何导致目录遍历和本地文件包含（LFI），该环境模拟了 Apache HTTP Server 的 CVE-2021-41773 问题。 功能 极简且易于阅读的 FastAPI 示例：一个易受攻击的服务器和一个已修补的服务器 演示单重编码（%2e）和双重编码（%252e）绕过 根端点包含用于 curl 测试的快速有效载荷 无需 Docker — 使用 uvicorn 在本地运行 仓库结构 patchedapp.py —...

CVE-2026-73637

The Apache Software Foundation Apache HTTP Server (versions before 2.4.69 ) is vulnerable to a use-after-free flaw in the mod_auth_digest module. An unauthenticated remote client can cause authentication state corruption by submitting concurrent Digest authentication requests. This vulnerability ...

CVE-2026-73637 Apache HTTP Server: mod_auth_digest DoS attack

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 AuthDigestNonceLifeti...

EUVD-2026-90908

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 AuthDigestNonceLifeti...

CVE-2026-73637 Apache HTTP Server: mod_auth_digest DoS attack

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 AuthDigestNonceLifeti...

CVE-2026-73636

The Apache HTTP Server 2.4.x on all platforms is vulnerable to an authentication bypass via a capture-replay attack in the mod_auth_digest module. When AuthDigestNonceLifetime is set to 0 , a man-in-the-middle (MITM) attacker can replay captured digest authentication credentials by sending crafte...

CVE-2026-73636 Apache HTTP Server: mod_auth_digest one-time-nonce replay attack

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 share...

EUVD-2026-90907

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 share...

CVE-2026-73636

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 share...

CVE-2026-73636 Apache HTTP Server: mod_auth_digest one-time-nonce replay attack

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 share...