The vulnerability of Xen hypervisors relates to the execution of loops with an unavailable exit condition, allowing a malicious actor to cause a service failure.

The vulnerability of Xen hypervisors is related to incorrect processing of bits during iterations. Exploiting this vulnerability can allow an attacker to cause a service failure...

CentOS 7 : ImageMagick (RHSA-2020:1180)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1180 advisory. - ImageMagick 7.0.7-12 Q16, a CPU exhaustion vulnerability was found in the function ReadDDSInfo in coders/dds.c, which allows attackers to cause a...

The vulnerability of the i_size_write() function in Linux operating systems allows a hacker to cause a service failure.

The vulnerability of the isizewrite function in Linux operating systems is related to an infinite loop. Exploiting this vulnerability can allow a remote attacker to cause service failures in SMP systems...

CVE-2014-0148

CVE-2014-0148 affects QEMU before 2.0, specifically the block driver for Hyper-V VHDX images. The issue arises from missing bounds checks for block_size and logical_sector_size when deriving BAT-related fields, enabling a local user who can modify a disk image to crash the QEMU guest (DoS). Publi...

CVE-2014-0148

Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for blocksize and logicalsectorsize variables. These are used to derive other fields like 'sectorsperblock' etc. A user able t...

SUSE SLES12 Security Update : nodejs12 (SUSE-SU-2020:0059-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood)

This update for nodejs12 fixes the following issues : Update to LTS release 12.13.0 jscSLE-8947. Security issues fixed : CVE-2019-9511: Fixed the HTTP/2 implementation that was vulnerable to window size manipulations bsc1146091. CVE-2019-9512: Fixed the HTTP/2 implementation that was vulnerable t...

openSUSE: Security Advisory for nghttp2 (openSUSE-SU-2019:2232-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

EulerOS 2.0 SP2 : libXfont (EulerOS-SA-2019-2357)

According to the versions of the libXfont package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The LZW decompressor in 1 the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and 2 compress/compress.c in...

CVE-2019-18836

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continueonlistenerfilterstimeout is used."...

CVE-2019-18836

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continueonlistenerfilterstimeout is used."...

Design/Logic Flaw

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continueonlistenerfilterstimeout is used."...

CVE-2019-18836

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continueonlistenerfilterstimeout is used."...

How to avoid getting caught in a “Groundhog Day” loop of security issues

It’s Cyber Security Awareness Month and it made me think about one of my favorite movies, called Groundhog Day. Have you ever seen it? Bill Murray is the cynical weatherman, Phil Connors, who gets stuck in an endless loop where he repeats the same day over and over again until he “participates in...

Important: nghttp2

Issue Overview: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and...

SUSE SLES15 Security Update : nginx (SUSE-SU-2019:2559-1) (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...

openSUSE: Security Advisory for nginx (openSUSE-SU-2019:2264-1)

The remote host is missing an update for the Copyright C 2019 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

OPENSUSE-SU-2019:2264-1 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 (moderate)

openSUSE Security Update: Security update for nginx Announcement ID: openSUSE-SU-2019:2264-1 Rating: moderate References: 1145579 1145580 1145582 Cross-References: CVE-2019-9511 CVE-2019-9513 CVE-2019-9516 Affected Products: openSUSE Leap 15.0 An update that fixes three vulnerabilities is now...

Amazon Linux AMI : nghttp2 (ALAS-2019-1298) (Data Dribble) (Resource Loop)

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority ...

Amazon Linux AMI : nginx (ALAS-2019-1299) (0-Length Headers Leak) (Data Dribble) (Resource Loop)

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority ...