PT-2026-103943

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69 Description An integer overflow exists in the mod dav fs module. An authenticated WebDAV client with write access can trigger this issue by sending PROPPATCH requests that declare an excessive number...

CVE-2026-56153: Out-of-bounds Write

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...

CVE-2026-63045: Improper Access Control

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 crafte...

CVE-2026-63292: Stack-based Buffer Overflow

Stack-based buffer overflow in modvhostalias 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...

CVE-2026-63718: Inconsistent Interpretation of HTTP Requests

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...

CVE-2026-73637: Use After Free

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...

PT-2026-103927

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description An out-of-bounds write issue exists in the mod charset lite module, specifically within the finish partial char function. This flaw can lead to a heap overflow, which occurs when dat...

PT-2026-103933

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description An improper privilege management issue exists in the mod ssl module. The flaw occurs when using SSLRequire in conjunction with file-related expressions via ap expr file functions,...

PT-2026-103934

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69 Description Improper validation of the FTP PASV reply address in the mod proxy ftp module allows an untrusted FTP server to force the proxy to open a data connection to an arbitrary third-party host...

PT-2026-103940

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69 Description An authentication bypass exists in the mod auth digest module. A man-in-the-middle MITM attacker can replay captured digest authentication credentials using crafted requests. This occurs...

CVE-2026-63686: NULL Pointer Dereference

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-2026-46729: NULL Pointer Dereference

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...

CVE-2026-48005: Missing Authentication for Critical Function

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...

CVE-2026-56153: Out-of-bounds Write

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...

CVE-2026-56154: Use After Free

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-63045: Improper Access Control

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 crafte...

CVE-2026-63718: Inconsistent Interpretation of HTTP Requests

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...

Rocky Linux 9 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2025_23739)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202523739 advisory. modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753 Tenable has extracted the preceding description block directly from the CIQ securi...

AlmaLinux 9.6 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1781352817)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781352817 advisory. - Use After Free vulnerability in Apache HTTP Server with modldap in per-directory configuration This issue affects Apache HTTP...

CentOS Linux 6 [TuxCare] Security Update: httpd / httpd-devel / httpd-manual / httpd-tools / mod_ssl (CENTOS6:CLSA-2026:1786004455)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1786004455 advisory. - Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the modproxyftp module in Apache HTTP Server with an attacker controlled...