Denial of service when handling a request with many HTTP headers in ws

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OESA-2024-1821 rubygem-rack security update

Rack provides a minimal, modular, and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a single...

OESA-2024-1822 rubygem-rack security update

Rack provides a minimal, modular, and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a single...

OESA-2024-1820 rubygem-rack security update

Rack provides a minimal, modular, and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a single...

USN-6885-2 apache2 regression

USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security fixes introduced a regression when proxying requests to a HTTP/2 server. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Marc Stern discovered that the Apache HTTP Server...

USN-6885-2: Apache HTTP Server regression

USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security fixes introduced a regression when proxying requests to a HTTP/2 server. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Marc Stern discovered that the Apache HTTP Server...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : Apache HTTP Server regression (USN-6885-2)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6885-2 advisory. USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security fixes introduced a regression when proxying requests to a HTTP...

Server Side Request Forgery (SSRF)

Apache HTTP Server 2.4.59 is vulnerable to SSRF. The vulnerability is due to a missing validation in response headers leading to information disclosure, SSRF or local script execution via backend applications which have malicious or exploitable header...

PT-2025-29114

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions prior to 2.4.64 Description: An Server-Side Request Forgery SSRF issue exists in Apache HTTP Server when mod proxy is loaded. This allows an attacker to send outbound proxy requests to a URL controlled by the...

Ubuntu 20.04 LTS / 22.04 LTS / 23.10 / 24.04 LTS : Apache HTTP Server vulnerabilities (USN-6885-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6885-1 advisory. Marc Stern discovered that the Apache HTTP Server incorrectly handled serving WebSocket protocol upgrades over HTTP/2...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Tomcat vulnerability (USN-6880-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6880-1 advisory. Sam Shahsavar discovered that Apache Tomcat did not properly reject HTTP requests with an invalid Content-Length header. A remote attacker...

SUSE CVE-2024-39929

Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mimefilename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : go1.22 (SUSE-SU-2024:2309-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:2309-1 advisory. Updated to version 1.22.5 bsc1218424: - CVE-2024-24791: Fixed a potential denial of service due to improp...

Denial of service via malicious preflight requests in github.com/rs/cors

Middleware causes a prohibitive amount of heap allocations when processing malicious preflight requests that include a Access-Control-Request-Headers ACRH header whose value contains many commas. This behavior can be abused by attackers to produce undue load on the middleware/server as an attempt...

Apache Tomcat 11.0.0-M1 < 11.0.0-M21 Denial Of Service

The version of Apache Tomcat installed on the remote host is 9.0.0-M1 to 9.0.89, 10.1.0-M1 to 10.1.24 or 11.0.0-M1 to 11.0.0-M20. It is, therefore, affected by a denial of service. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to ...

Apache Tomcat 10.1.0-M1 < 10.1.25 Denial Of Service

The version of Apache Tomcat installed on the remote host is 9.0.0-M1 to 9.0.89, 10.1.0-M1 to 10.1.24 or 11.0.0-M1 to 11.0.0-M20. It is, therefore, affected by a denial of service. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to ...

The vulnerability in the implementation of the application software interface of the Cisco AsyncOS operating system of the Cisco Secure Email Gateway (formerly known as Cisco Email Security Appliance) allows a attacker to carry out XSS attacks.

The vulnerability of the application programming interface of the Cisco AsyncOS operating system in the Cisco Secure Email Gateway formerly Cisco Email Security Appliance security system is related to the failure to handle CRLF sequences in HTTP headers. Exploiting this vulnerability allows a...

Apache Tomcat 9.0.0-M1 < 9.0.90 Denial Of Service

The version of Apache Tomcat installed on the remote host is 9.0.0-M1 to 9.0.89, 10.1.0-M1 to 10.1.24 or 11.0.0-M1 to 11.0.0-M20. It is, therefore, affected by a denial of service. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to ...

URL Rewrite

zendframework/zendframework is vulnerable to URL Rewrite. The vulnerability is due to the request URI marshaling logic that introspects HTTP request headers specific to server-side URL rewrite mechanisms. When these headers are present on systems not running the specific URL rewriting mechanism,...

SUSE SLES12 Security Update : go1.21 (SUSE-SU-2024:2294-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:2294-1 advisory. Updated to version 1.21.12 bsc1212475: - CVE-2024-24791: Fixed a potential denial of service due to improper handling of HTTP 100-continue...