Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Varnish Cache vulnerabilities (USN-5474-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5474-1 advisory. It was dicovered that Varnish Cache did not clear a pointer between the handling of one client request and the next request withi...

curl: Heap overflow via HTTP/2 PUSH_PROMISE

Summary: libcurl HTTP/2 support processes incoming PUSHPROMISE headers by storing them in an array. The code initially allocates storage for 10 headers and then keeps doubling the array size as needed: stream-pushheadersalloc = 2; headp = Curlsafereallocstream-pushheaders, stream-pushheadersalloc...

nginx R8 < R18-P1 Multiple Vulnerabilities

According to its self reported version, the installed version of Nginx Plus is R8 built on Open Source version 1.9.9 prior to R18-P1 built on Open Source version 1.15.10. It is, therefore, affected by multiple denial of service vulnerabilities : - A denial of service vulnerability exists in the...

openSUSE 15 Security Update : varnish (openSUSE-SU-2022:0148-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2022:0148-1 advisory. - Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST...

GHSA-RF6Q-VX79-MJXR Undertow Uncontrolled Resource Consumption

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

Undertow Uncontrolled Resource Consumption

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

CVE-2021-3629

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

Denial of service

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

CVE-2021-3629

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

CVE-2021-3629

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

CVE-2021-3629

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final a...

CVE-2021-3629

CVE-2021-3629 affects Undertow. The vulnerability is a flow-control handling issue over HTTP/2 that may cause overhead or a denial of service, impacting availability. Affected versions are Undertow prior to 2.0.40.Final and prior to 2.2.11.Final. Remediation: upgrade to Undertow 2.0.40.Final or 2...

Denial of Service (DoS)

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Denial of Service DoS due to the way the Kestr...

ASP.NET Core and Visual Studio Denial of Service Vulnerability

A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests. The security update addresses the vulnerability by fixing the way the Kestrel parses HTTP/2 requests. Users are advised to upgrade...

GHSA-242J-2GM6-5RWX ASP.NET Core and Visual Studio Denial of Service Vulnerability

A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests. The security update addresses the vulnerability by fixing the way the Kestrel parses HTTP/2 requests. Users are advised to upgrade...

GHSA-39QC-96H7-956F golang.org/x/net/http vulnerable to a reset flood

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. Servers that accept direct connections from untrusted clients could be remotely made to allocate an unlimited amount of memory, until the program crashes. The attacker opens a number of stream...

golang.org/x/net/http vulnerable to a reset flood

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. Servers that accept direct connections from untrusted clients could be remotely made to allocate an unlimited amount of memory, until the program crashes. The attacker opens a number of stream...

golang.org/x/net/http vulnerable to ping floods

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,...

GHSA-HGR8-6H9X-F7Q9 golang.org/x/net/http vulnerable to ping floods

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,...

Uncontrolled Resource Consumption

Some HTTP/2 implementations is 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,...