CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538

This vulnerability affects NSD (NLnet Labs' DNS server daemon). BLOCKED access control list items on the proxy protocol port can be completely bypassed by connecting over TCP or TLS and sending the query twice on a single kept-open connection. The CVSS 4.0 score is 8.2 (HIGH) , with primary impac...

containers/aardvark-dns: TCP Query Handling Flaw in Aardvark-dns Leading to Denial of Service

A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing...

GO-2022-0250 Infinite open connection causes OctoRPKI to hang forever in github.com/cloudflare/cfrpki

Infinite open connection causes OctoRPKI to hang forever in github.com/cloudflare/cfrpki...

golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests

A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache...

golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests

A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache...

Race Condition

redis is vulnerable to a Race Condition. The vulnerability exists because the library leaves the connection open after cancelling an async Redis command at a critical time such as the case of a pipeline operation resulting in a client receiving data from an related request. Note: this issue exist...

Race Condition

redis-py is vulnerable to a Race Condition. The vulnerability exists because the library leaves a connection open after cancelling the async Redis command at an inopportune time in the case of a pipeline operation and can send response data to the client of an unrelated request in an off-by-one...

redis-py Race Condition vulnerability

redis-py before 4.5.3, as used in ChatGPT and other products, leaves a connection open after canceling an async Redis command at an inopportune time in the case of a pipeline operation, and can send response data to the client of an unrelated request in an off-by-one manner. The fixed versions fo...

DEBIAN-CVE-2023-28858

redis-py before 4.5.3 leaves a connection open after canceling an async Redis command at an inopportune time, and can send response data to the client of an unrelated request in an off-by-one manner. NOTE: this CVE Record was initially created in response to reports about ChatGPT, and 4.3.6, 4.4....

CVE-2023-28859

redis-py before 4.4.4 and 4.5.x before 4.5.4 leaves a connection open after canceling an async Redis command at an inopportune time, and can send response data to the client of an unrelated request. This could, for example, happen for a non-pipeline operation. NOTE: the solutions for CVE-2023-288...

PYSEC-2023-45

redis-py before 4.5.3, as used in ChatGPT and other products, leaves a connection open after canceling an async Redis command at an inopportune time in the case of a pipeline operation, and can send response data to the client of an unrelated request in an off-by-one manner. The fixed versions fo...

PYSEC-2023-46

redis-py through 4.5.3 leaves a connection open after canceling an async Redis command at an inopportune time in the case of a non-pipeline operation, and can send response data to the client of an unrelated request. NOTE: this issue exists because of an incomplete fix for CVE-2023-28858...

golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests

A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache...

OESA-2023-1093 golang security update

The Go Programming Language Security Fixes: An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very...

AZL-43744 CVE-2022-41717 affecting package podman 4.1.1-26

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate...

GO-2022-1144 Excessive memory growth in net/http and golang.org/x/net/http2

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate...

Allocation of Resources Without Limits or Throttling

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate...

The vulnerability of the url.openConnection() method in Embed2 software, a service for creating drawio diagrams, allows a attacker to perform an SSRF attack.

The vulnerability of the url.openConnection method in Embed2 software, which is used for creating drawio diagrams, is related to insufficient validation of incoming requests. Exploiting this vulnerability could allow a malicious actor to perform an SSRF attack by sending a specially crafted HTTP...

httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling

A flaw was found in httpd. The inbound connection is not closed when it fails to discard the request body, which may expose the server to HTTP request smuggling...