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: 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

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...

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 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...

PT-2026-70917

Name of the Vulnerable Software and Affected Versions Apache HttpComponents Client versions 5.4 through 5.6.3 Description An issue exists where the HostnameVerificationPolicyBUILTIN setting is ignored when using the async version of HttpClient. This failure in TLS hostname verification allows an...

CVE-2026-71290: Improper Certificate Validation

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...

K000162851: Apache HttpComponents vulnerabilities CVE-2026-54399,CVE-2026-54428

Security Advisory Description CVE-2026-54399 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 service through memory exhaustion by sending messages...