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...

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-2026-56153: 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-2026-56153: 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...

Rocky Linux 9 [CIQ] Security Update: httpd / httpd-core / httpd-core-debuginfo / httpd-debuginfo / etc (crlsa-2026_59347)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202659347 advisory. httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in modldap per-directory configuration CVE-2026-29167 Tenable has...

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...

Rocky Linux 8 [CIQ] Security Update: httpd / httpd-debuginfo / httpd-debugsource / httpd-devel / etc (crlsa-2026_64794)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202664794 advisory. httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in modldap per-directory configuration CVE-2026-29167 Tenable has...

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 7 [TuxCare] Security Update: httpd / httpd-devel / httpd-manual / httpd-tools / mod_ldap / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1725382183)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1725382183 advisory. - Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This...

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...

AlmaLinux 9.2 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc (ALMALINUX9.2:CLSA-2026:1778847162)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778847162 advisory. - Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP...

AlmaLinux 9.2 [TuxCare] Security Update: mod_http2 Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787937441)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787937441 advisory. - Out-of-bounds Read vulnerability in Apache HTTP Server with modheaders and modmime and multiple response languages. This issue...

CVE-2026-57941: Use After Free

Use After Free vulnerability in Apache HTTP Server's modhttp2 via shared session-bbtmp re-entrancy 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...

Rocky Linux 9.6 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1777946314)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777946314 advisory. - Server-Side Request Forgery SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server v...

PT-2026-103930

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description A Use After Free issue exists in the mod http2 module of the Apache HTTP Server. This occurs via shared session bbtmp re-entrancy, which can lead to memory corruption when the system...

AlmaLinux 9.6 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1777946314)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777946314 advisory. - Server-Side Request Forgery SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via...

Rocky Linux 9 [CIQ] Security Update: mod_proxy_cluster / mod_proxy_cluster-debuginfo / etc (crlba-2025_2973)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlba-20252973 advisory. The modproxycluster module is a plugin for the Apache HTTP Server that provides load-balancer functionality. Bug Fixes: Rebuild modproxycluster against httpd 2.4.62...

Rocky Linux 10.1 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2025_23738)

The Rocky Linux 10.1 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202523738 advisory. modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753 Tenable has extracted the preceding description block directly from the CIQ...

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...