CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

Vulnerability fixed in Apache Tomcat

A vulnerability has been fixed in Apache Tomcat. A malicious party could potentially exploit the vulnerability to cause a Denial-of-Service on the Tomcat server. To do this the malicious party needs to send a specially crafted HTTP/2 request to the server. This request causes an increased CPU loa...

Fixed in Apache Tomcat 8.5.56

Important: HTTP/2 DoS CVE-2020-11996 A specially crafted sequence of HTTP/2 requests could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive. This was fixed with commit c8acd2ab. Thi...

libexif Resource Management Error Vulnerability

libexif is a library of functions written in the C language. It is mainly used to read and write EXIF meta-information from graphics files. A security vulnerability exists in versions prior to libexif 0.6.22, which stems from the program failing to limit the size value when processing Canon EXIF...

MikroTik RouterOS Denial Of Service / Memory Corruption Vulnerability

MikroTik RouterOS suffers from two vulnerabilities. The cerm process suffers from an uncontrolled resource consumption issue. By sending a crafted packet, an authenticated remote user can cause a high cpu load, which may make the device respond slowly or unable to respond. Versions until stable...

WDS has a high CPU usage when many client computers try to start in Windows Server 2012 R2

WDS has a high CPU usage when many client computers try to start in Windows Server 2012 R2 This article describes an issue that occurs in Windows Server 2012 R2 that has Windows Deployment Services WDS installed. You can fix this issue by using the update in this article. Before you install this...

[SECURITY] [DSA 4644-1] tor security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4644-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff March 20, 2020 https://www.debian.org/security/faq -...

Cisco Email Security Appliance (ESA) GUI Denial of Service Vulnerability

According to its self-reported version, the Cisco Email Security Appliance ESA is affected by a Denial of Service vulnerability. The vulnerability is due to improper validation of specific HTTP request headers. An attacker could exploit this vulnerability by sending a malformed HTTP request to an...

Cisco Web Security Appliance (WSA) GUI Denial of Service Vulnerability

According to its self-reported version, the Cisco Web Security Appliance is affected by a Denial of Service vulnerability. The vulnerability is due to improper validation of specific HTTP request headers. An attacker could exploit this vulnerability by sending a malformed HTTP request to an...

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...

CVE-2020-3164

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Email Security Appliance ESA, Cisco Web Security Appliance WSA, and Cisco Content Security Management Appliance SMA could allow an unauthenticated remote attacker to cause high CPU usage on an affected device,...

CVE-2020-3164

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Email Security Appliance ESA, Cisco Web Security Appliance WSA, and Cisco Content Security Management Appliance SMA could allow an unauthenticated remote attacker to cause high CPU usage on an affected device,...

Input validation

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Email Security Appliance ESA, Cisco Web Security Appliance WSA, and Cisco Content Security Management Appliance SMA could allow an unauthenticated remote attacker to cause high CPU usage on an affected device,...

CVE-2020-3164 Cisco ESA, Cisco WSA, and Cisco SMA GUI Denial of Service Vulnerability

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Email Security Appliance ESA, Cisco Web Security Appliance WSA, and Cisco Content Security Management Appliance SMA could allow an unauthenticated remote attacker to cause high CPU usage on an affected device,...

Denial Of Service

libexiv2.so is vulnerable to denial of service DoS. The attack exists when an attacker provide a malicious input to Jp2Image::readMetadata in jp2image.cpp, causing an infinite loop and high CPU usage...

DEBIAN-CVE-2019-20421

In Jp2Image::readMetadata in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file...

PYSEC-2020-344

In Jp2Image::readMetadata in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file...

PYSEC-2020-344

In Jp2Image::readMetadata in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file...

CVE-2019-20421

In Jp2Image::readMetadata in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file...