Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS due to a flaw in the handling of certain data inputs. An attacker can cause a denial of service by sending specially crafted data to the application. Details Denial of Service DoS describes a family of attacks, all...

UBUNTU-CVE-2023-26044

react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. Previous versions of ReactPHP's HTTP server component contain a potential DoS vulnerability that can cause high CPU load when processing large HTTP request bodies. This vulnerability has little to no impa...

HTTP/2: flood using empty frames results in excessive resource consumption

A flaw was found in HTTP/2. Using frames with an empty payload, a flood could occur that results in excessive CPU usage and starvation of other clients. The highest threat from this vulnerability is to system availability...

nghttp2: overly large SETTINGS frames can lead to DoS

A resource consumption vulnerability was found in nghttp2. This flaw allows an attacker to repeatedly construct an overly large HTTP/2 SETTINGS frame with a length of 14,400 bytes that causes excessive CPU usage, leading to a denial of service...

nghttp2: overly large SETTINGS frames can lead to DoS

A resource consumption vulnerability was found in nghttp2. This flaw allows an attacker to repeatedly construct an overly large HTTP/2 SETTINGS frame with a length of 14,400 bytes that causes excessive CPU usage, leading to a denial of service...

Regular Expression Denial Of Service (ReDoS)

url-regex is vulnerable to Regular Expression Denial of Service ReDoS. The attackers can send requests with very long strings to String.test to trigger an application crash by exhausting memory and high processing power...

UBUNTU-CVE-2019-19331

knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A...

DEBIAN-CVE-2016-7068

An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 3.7.4 and 4.0.4, allowing a remote, unauthenticated attacker to cause an abnormal CPU usage load on the PowerDNS server by sending crafted DNS queries, which might result in a partial denial of service if th...

UBUNTU-CVE-2017-15010

A ReDoS regular expression denial of service flaw was found in the tough-cookie module before 2.3.3 for Node.js. An attacker that is able to make an HTTP request using a specially crafted cookie may cause the application to consume an excessive amount of CPU...

Vulnerability of PHP software, allowing a malicious actor to compromise the accessibility of protected information

The vulnerability exists in the file due to an incorrect limitation on the number of data items that can be viewed during regular expression searches. Exploiting this vulnerability allows malicious actors operating remotely to cause a service failure excessive CPU usage by using a specially craft...