24312 matches found
Record-Breaking 100 Million RPS DDoS Attack Exploits HTTP/2 Rapid Reset Flaw
Cloudflare on Thursday said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service DDoS attacks that exploited a recently disclosed flaw called HTTP/2 Rapid Reset, 89 of which exceeded 100 million requests per second RPS. "The campaign contributed to an overall increase of...
Important: Red Hat Security Advisory: Migration Toolkit for Runtimes security update
An update for mtr-operator-bundle-container, mtr-operator-container, mtr-web-container, and mtr-web-executor-container is now available for Migration Toolkit for Runtimes 1 on RHEL 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...
AZL-34692 CVE-2023-46752 affecting package frr for versions less than 9.1-2
An issue was discovered in FRRouting FRR through 9.0.1. It mishandles malformed MPREACHNLRI data, leading to a crash...
HTTP/2 Stream Cancellation Attack
google.golang.org/grpc is vulnerable to HTTP/2 Stream Cancellation Attack. The vulnerability exists because the library does not enforce the limit of concurrently running handlers set by MaxConcurrentStreams. This enables an attacker to send malicious HTTP/2 requests, cancel them, and then send...
Important: Red Hat Security Advisory: Openshift Secondary Scheduler Operator 1.1.3 security update
Secondary Scheduler Operator for Red Hat OpenShift 1.1.3 An update for secondary-scheduler-operator-bundle-container and secondary-scheduler-operator-container is now available for OSSO-1.1-RHEL-8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Important: Red Hat Security Advisory: Run Once Duration Override Operator for Red Hat OpenShift 1.0.1 security update
An update for run-once-duration-override-container, run-once-duration-override-operator-bundle-container, and run-once-duration-override-operator-container is now available for RODOO-1.0-RHEL-8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Amazon Linux 2 : python3 (ALAS-2023-2317)
The version of python3 installed on the remote host is prior to 3.7.10-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2317 advisory. A flaw was found in Python. The built-in modules httplib and http.client included in Python 2 and Python 3, respectively ...
AlmaLinux 9 : toolbox (ALSA-2023:6077)
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:6077 advisory. - A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total...
Amazon Linux 2 : squid (ALAS-2023-2318)
The version of squid installed on the remote host is prior to 3.5.20-17. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2318 advisory. An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the...
AlmaLinux 8 : varnish (ALSA-2023:5989)
The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5989 advisory. HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack Rapid Reset Attack CVE-2023-44487 Tenable has extracted the preceding description block...
Fedora 38 : nodejs20 (2023-4d2fd884ea)
The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-4d2fd884ea advisory. 2023-10-13, Version 20.8.1 Current, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...
Fedora 37 : nodejs18 (2023-e9c04d81c1)
The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-e9c04d81c1 advisory. 2023-10-13, Version 18.18.2 'Hydrogen' LTS, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...
Fedora 37 : nodejs20 (2023-f66fc0f62a)
The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-f66fc0f62a advisory. 2023-10-13, Version 20.8.1 Current, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...
nginx:1.22 security update
1:1.22.1-3.0.1.1 - Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack CVE-2023-44487...
GHSA-M425-MQ94-257G gRPC-Go HTTP/2 Rapid Reset vulnerability
Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...
gRPC-Go HTTP/2 Rapid Reset vulnerability
Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...
CVE-2023-46232
The CVE concerns era-compiler-vyper (EraVM Vyper compiler for zkSync Era). Before 1.3.10, a bug in initialization of the first immutable variable for Vyper contracts could occur when a String or Array allocates more 256‑bit words than are initialized; the second word’s index could be left unset (...
CVE-2023-46232 era-compiler-vyper First Immutable Variable Initialization vulnerability
era-compiler-vyper is the EraVM Vyper compiler for zkSync Era, a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to era-compiler-vype version 1.3.10, a bug prevented the initialization of the first immutable variable for Vyper contracts meeting certain criteria. The proble...
CVE-2023-46232 era-compiler-vyper First Immutable Variable Initialization vulnerability
era-compiler-vyper is the EraVM Vyper compiler for zkSync Era, a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to era-compiler-vype version 1.3.10, a bug prevented the initialization of the first immutable variable for Vyper contracts meeting certain criteria. The proble...