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

A flaw was found in HTTP/2. An attacker, using PRIORITY frames to flood the system, could cause excessive CPU usage and starvation of other clients. The largest threat from this vulnerability is to system availability...

EulerOS 2.0 SP8 : nginx (EulerOS-SA-2019-2084)

According to the versions of the nginx packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This...

OPENSUSE-SU-2019:2120-1 Security update for nginx

This update for nginx fixes the following issues: Security issues fixed: - CVE-2019-9511: Fixed a denial of service by manipulating the window size and stream prioritization bsc1145579. - CVE-2019-9513: Fixed a denial of service caused by resource loops bsc1145580. - CVE-2019-9516: Fixed a denial...

Security update for nginx (important)

openSUSE Security Update: Security update for nginx Announcement ID: openSUSE-SU-2019:2120-1 Rating: important References: 1115015 1115022 1115025 1145579 1145580 1145582 Cross-References: CVE-2018-16843 CVE-2018-16844 CVE-2018-16845 CVE-2019-9511 CVE-2019-9513 CVE-2019-9516 Affected Products:...

SUSE SLES15 Security Update : nginx (SUSE-SU-2019:2309-1) (0-Length Headers Leak) (Data Dribble) (Resource Loop)

This update for nginx fixes the following issues : Security issues fixed : CVE-2019-9511: Fixed a denial of service by manipulating the window size and stream prioritization bsc1145579. CVE-2019-9513: Fixed a denial of service caused by resource loops bsc1145580. CVE-2019-9516: Fixed a denial of...

SUSE-SU-2019:2309-1 Security update for nginx

This update for nginx fixes the following issues: Security issues fixed: - CVE-2019-9511: Fixed a denial of service by manipulating the window size and stream prioritization bsc1145579. - CVE-2019-9513: Fixed a denial of service caused by resource loops bsc1145580. - CVE-2019-9516: Fixed a denial...

CVE-2019-1967

A vulnerability in the Network Time Protocol NTP feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to excessive use of system resources when the affected device is logging a dr...

August 30, 2019—KB4512941 (OS Build 18362.329)

None None...

CVE-2019-1967 Cisco NX-OS Software Network Time Protocol Denial of Service Vulnerability

A vulnerability in the Network Time Protocol NTP feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to excessive use of system resources when the affected device is logging a dr...

FreeBSD : NGINX -- Multiple vulnerabilities (87679fcb-be60-11e9-9051-4c72b94353b5) (0-Length Headers Leak) (Data Dribble) (Resource Loop)

NGINX Team reports : Several security issues were identified in nginx HTTP/2 implementation which might cause excessive memory consumption and CPU usage CVE-2019-9511, CVE-2019-9513, CVE-2019-9516. The issues affect nginx compiled with the ngxhttpv2module not compiled by default if the http2 opti...

Nginx 1.17.x < 1.17.3 Multiple Vulnerabilties

According to its Server response header, the installed version of nginx is 1.9.5 to 1.16.0 or 1.17.x prior to 1.17.3. It is, therefore, affected by the following issues : - An excessive CPU usage in HTTP/2 with small window updates exists related to the module 'ngxhttpv2module'. CVE-2019-9511 - A...

Nginx 1.9.5 < 1.16.1 Multiple Vulnerabilties

According to its Server response header, the installed version of nginx is 1.9.5 to 1.16.0 or 1.17.x prior to 1.17.3. It is, therefore, affected by the following issues : - An excessive CPU usage in HTTP/2 with small window updates exists related to the module 'ngxhttpv2module'. CVE-2019-9511 - A...

Debian DLA-1884-1 : linux security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-18509 Denis Andzakovic reported a missing type check in the IPv4 multicast routing implementation. A user with the CAPNETADMIN capability in a...

DEBIAN-CVE-2019-9517

Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write many of the byt...

Excessive CPU usage in HTTP/2 with small window updates

Excessive CPU usage in HTTP/2 with small window updates Severity: medium CVE-2019-9511 Not vulnerable: 1.17.3+, 1.16.1+ Vulnerable: 1.9.5-1.17.2...

Excessive CPU usage in HTTP/2 with priority changes

Excessive CPU usage in HTTP/2 with priority changes Severity: low CVE-2019-9513 Not vulnerable: 1.17.3+, 1.16.1+ Vulnerable: 1.9.5-1.17.2...

NGINX -- Multiple vulnerabilities

NGINX Team reports: Several security issues were identified in nginx HTTP/2 implementation which might cause excessive memory consumption and CPU usage CVE-2019-9511, CVE-2019-9513, CVE-2019-9516. The issues affect nginx compiled with the ngxhttpv2module not compiled by default if the http2 optio...

CVE-2019-9513

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU...

UBUNTU-CVE-2019-9512

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU,...

CVE-2019-1957

A vulnerability in the web interface of Cisco IoT Field Network Director could allow an unauthenticated, remote attacker to trigger high CPU usage, resulting in a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of Transport Layer Security TLS...