CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

PT-2026-40455

Name of the Vulnerable Software and Affected Versions arduino-esp32 versions prior to 3.3.8 Description The WebServer Digest authentication implementation computes the authentication hash using the URI field from the client's Authorization header without verifying that it matches the actual...

Apache Tomcat 安全漏洞

Apache Tomcat is a lightweight web application server developed by the Apache Foundation in the United States. It supports Servlet and JavaServer Page JSP technologies. Security vulnerabilities exist in versions of Apache Tomcat ranging from 11.0.0-M1 to 11.0.21, from 10.1.0-M1 to 10.1.54, from...

CLSA-2026-1778490923 httpd: Fix of 9 CVEs

CVE-2026-33857: fix length checks in AJP msgget functions - CVE-2026-34032: fix ajpmsggetstring buffer checks - CVE-2026-34059: fix ajpparsedata message len check - CVE-2026-24072: use APEXPRFLAGRESTRICTED in htaccess - CVE-2026-29169: moddavlock: use the right davlockdiscovery - CVE-2026-33006:...

CVE-2026-5081

A flaw was found in Apache::Session::Generate::ModUniqueId, a Perl module designed to generate session identifiers. This module uses the Apache moduniqueid plugin's UNIQUEID environment variable directly as a session ID. The UNIQUEID is constructed from easily guessable information, such as the...

PT-2026-40071

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.21 Apache Tomcat versions 10.1.0-M1 through 10.1.54 Apache Tomcat versions 9.0.0.M1 through 9.0.117 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions prior to 7.0.0 Description An...

Fixed in Apache Tomcat 10.1.55

Moderate: Security constraints not correctly applied CVE-2026-43515 When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. This was fixed with commit c6213173. This issue was reported to the Tomcat securit...

Fixed in Apache Tomcat 9.0.118

Moderate: Security constraints not correctly applied CVE-2026-43515 When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. This was fixed with commit db919ff9. This issue was reported to the Tomcat securit...

Exploit for Observable Timing Discrepancy in Apache Http_Server

CTT-enhanced-Apache-modauthdigest-timing-attack-exploit CTT-...

CLSA-2026-1778254552 httpd: Fix of 8 CVEs

CVE-2026-24072: modrewrite/modsetenvif: use APEXPRFLAGRESTRICTED in htaccess to prevent reading server-side files via apexpr from .htaccess - CVE-2026-29169: moddavlock: NULL pointer dereference in davgenericrefreshlocks use dpscan instead of dp - CVE-2026-33006: modauthdigest: timing attack —...

CVE-2026-43383

In the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Apache HTTP Server vulnerabilities (USN-8239-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8239-1 advisory. Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache HTTP Server incorrectly handled certain memory...

Crypt::PasswdMD5 安全特征问题漏洞

Crypt::PasswdMD5 is a Perl module developed by RSAVAGE’s individual developers, which implements MD5-based password hashing calculations. Versions of Crypt::PasswdMD5 prior to 1.42 contained security vulnerabilities due to the use of a predictable built-in rand function to generate insecure rando...

CLSA-2026-1778174697 httpd: Fix of 9 CVEs

CVE-2026-24072: fix modrewrite apexpr privilege escalation in htaccess - CVE-2026-28780: fix modproxyajp ajpmsgcheckheader buffer over-read - CVE-2026-29169: fix moddavlock NULL pointer dereference - CVE-2026-33006: fix modauthdigest timing attack - CVE-2026-33007: fix modauthnsocache NULL...

Apache HTTP Server: mod_auth_digest timing attack

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CLSA-2026-1778111838 httpd: Fix of 9 CVEs

CVE-2026-24072: fix modrewrite apexpr privilege escalation in htaccess - CVE-2026-28780: fix modproxyajp ajpmsgcheckheader buffer over-read - CVE-2026-29169: fix moddavlock NULL pointer dereference - CVE-2026-33006: fix modauthdigest timing attack - CVE-2026-33007: fix modauthnsocache NULL...

USN-8239-1: Apache HTTP Server vulnerabilities

Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache HTTP Server incorrectly handled certain memory operations when using the HTTP/2 protocol. A remote attacker could use this issue to cause Apache HTTP Server to crash, resulting in a denial of service, or possibly execute arbitra...

Vulnerabilities in Apache HTTP Server

The Apache Software Foundation has addressed several vulnerabilities in Apache HTTP Server. These vulnerabilities concern various modules and functions within Apache HTTP Server. The most serious vulnerability relates to a double-free in the HTTP/2 implementation, which allows an attacker to...