envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames

A flaw was found in Envoy in versions through 1.14.1. An excessive amount of memory may be consumed when proxying HTTP/2 requests and responses that contain many small e.g. 1 byte data frames. The highest threat from this vulnerability is to system availability...

CVE-2020-12603

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small i.e. 1 byte data frames...

Design/Logic Flaw

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small i.e. 1 byte data frames...

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...

PT-2020-13162 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions 1.14.2, 1.13.2, 1.12.4 or earlier Description: The issue is related to excessive memory consumption when proxying HTTP/2 requests or responses with many small data frames. This occurs when the software handles a large number of...

EulerOS Virtualization 3.0.6.0 : spice-gtk (EulerOS-SA-2020-1727)

According to the version of the spice-gtk packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A...

DEBIAN-CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

UBUNTU-CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

CVE-2017-18922

CVE-2017-18922 : LibVNCServer’s websockets.c (prior to 0.9.12) is affected; multiple advisories report that malformed WebSocket frames can trigger a heap-based buffer overflow. The connected Nessus entries confirm affected packages across various distros (e.g., MiracleLinux, Alibaba Cloud Linux, ...

CVE-2017-18922: Out-of-bounds Write

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

Cisco IOS XE Protected Management Frames Disruption

The vulnerability of the IEEE 802.11w Protected Management Frames PMFs in the Cisco IOS XE operating system is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to successfully disconnect a user’s connection to a vulnerable device...

nghttp2 security update

An update is available for nghttp2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list libnghttp2 is a library implementing the Hypertext Transfer Protocol version ...

UBUNTU-CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...

CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...

CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...