Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by an uncontrolled resource consumption vulnerability due to Apache HttpComponents Core

Summary Apache HttpComponents Core is used by IBM Integrated Analytics System as a Java library providing low-level HTTP transport components. CVE-2026-54399 affects the HTTP/1.1 message parser in Apache HttpComponents Core versions 5.4.2 and earlier, where insufficient limits on the number and...

Improper Resource Shutdown

Apache HttpComponents Client is vulnerable to Improper Resource Shutdown. The vulnerability is due to the classic I/O model failing to release connections back to the connection manager when processing an invalid or unsupported Content-Encoding header value, potentially exhausting available...

Amazon Linux 2023 : javapackages-bootstrap (ALAS2023-2026-2055)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2055 advisory. Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core 5.4.2 and earlier, 5.5-beta1 and earlier allows an remote attacker to cause a denial of...

CVE-2026-71290

A flaw was found in the asynchronous version of Apache HttpComponents Client. This improper Transport Layer Security TLS hostname verification vulnerability allows a remote attacker to intercept and modify network traffic. By presenting a valid certificate for a different domain, an attacker can...

Security Bulletin: Improper input validation, integer overflow, and other vulnerabilities might affect IBM Storage Defender - Resiliency Service

Summary IBM Storage Defender - Resiliency Service is vulnerable to improper input validation, integer overflow, and others. The vulnerabilities have been addressed. Vulnerability Details CVEID:CVE-2026-54399 DESCRIPTION: Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message pars...

CLSA-2026-1786947088 TuxCare security update for org.apache.httpcomponents (1 CVE)

TuxCare rebuilt 6 org.apache.httpcomponents packages to address 1 CVE. Fixed in 4.2.6-tuxcare.1...

SUSE CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

org.apache.httpcomponents.core5/httpcore5-h2: Apache HttpComponents Core: Denial of Service via oversized HTTP/2 HPACK header blocks

A flaw was found in Apache HttpComponents Core. This vulnerability, located in the HTTP/2 HPACK decoder, allows a remote attacker to cause a denial of service. By sending oversized compressed header blocks, an attacker can exhaust memory resources before the system's configured header list size...

Linux Distros Unpatched Vulnerability : CVE-2026-71290

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used...

Denial-of-service (DoS)

Apache HttpComponents Core is vulnerable to a denial-of-service DoS vulnerability. The vulnerability is due to the decoder processing oversized compressed HTTP/2 header blocks without applying the configured header list size limit until the SETTINGS acknowledgement, which allows a remote attacker...

DEBIAN-CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

UBUNTU-CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Apache HttpComponents Client 5.4 and newer contains an improper TLS hostname verification vulnerability (CWE-295) in the async version of HttpClient. The root cause is that the HostnameVerificationPolicy#BUILTIN setting has no effect, allowing a network attacker to intercept traffic and impersona...

CVE-2026-71290 Apache HttpComponents Client: TLS hostname verification silently disabled on the async transport (default config, MITM)

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

EUVD-2026-56973

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290 Apache HttpComponents Client: TLS hostname verification silently disabled on the async transport (default config, MITM)

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...