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-2026-103936

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69 Description A NULL pointer dereference occurs in the mod xml2enc module. This allows an untrusted backend server to trigger a denial of service by sending a proxied response with a charset that...

CVE-2026-73636: Authentication Bypass by Capture-replay

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...

PT-2026-103925

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description The mod session cookie module contains an issue where sensitive information may be exposed to an unauthorized actor. Specifically, when the SessionCookieRemove directive changes duri...

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...

AlmaLinux 9.6 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1782144906)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782144906 advisory. - Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files...

PT-2026-103924

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description A NULL pointer dereference exists in the mod heartmonitor module when used over a unicast listener. This issue can lead to a Denial of Service DoS, which is a condition where the...

PT-2026-103928

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 rewrite module when utilizing the lookahead feature %LA-U:HTTP:.... Use After Free is a memory corruption flaw that occurs when an applicatio...

PT-2026-103935

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69 Description A stack-based buffer overflow exists in the mod vhost alias module. A remote client can trigger a denial of service or potentially execute arbitrary code by sending an HTTP request with a...

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 Multiple Vulnerabilities (crlsa-2025_23919)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523919 advisory. httpd: Apache HTTP Server: CGI environment variable override CVE-2025-65082 httpd: Apache HTTP Server: moduserdir+suexec bypass via AllowOverride FileInfo...

PT-2026-103937

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.30 through 2.4.68 Description An issue exists involving the inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling. This occurs via the mod proxy uwsgi module when processing a...

CentOS Linux 7 [TuxCare] Security Update: httpd / httpd-devel / httpd-manual / httpd-tools / mod_ldap / etc (CENTOS7:CLSA-2026:1767970357)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1767970357 advisory. - Apache HTTP Server 2.4.65 and earlier with Server Side Includes SSI enabled and modcgid but not modcgi passes the shell-escaped query string to...

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: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778612609)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778612609 advisory. - An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files...

AlmaLinux 9.6 [TuxCare] Security Update: httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1778490923)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778490923 advisory. - An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files...

CentOS Linux 6 [TuxCare] Security Update: httpd / httpd-devel / httpd-manual / httpd-tools / mod_ssl Multiple Vulnerabilities (CENTOS6:CLSA-2026:1779297093)

The CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2026:1779297093 advisory. - Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this...

CentOS Linux 8.4 [TuxCare] Security Update: httpd / httpd-devel / httpd-filesystem / httpd-manual / httpd-tools / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1778111838)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1778111838 advisory. - An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files...

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...

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...