Security Bulletin: HttpClient based on the classic i/o model fails to correctly release the underlying connection

Summary HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Denial of Service due to connection leak

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

ROOT-APP-MAVEN-CVE-2026-54428 CVE-2026-54428 in org.apache.httpcomponents.core5:httpcore5-h2 - Patched by Root

Root has patched CVE-2026-54428 in the org.apache.httpcomponents.core5:httpcore5-h2 package for Root:Maven. Multiple fixed versions available...

Security Bulletin: Due to the use of Apache HttpComponents Client 5.4, IBM Sterling Control Center is vulnerable to Improper Certificate Validation (CVE-2026-71290)

Summary Apache HttpComponents Client 5.4 is used by IBM Sterling Control Center as part of dependency in httpclient5-5.4.3.jar. Vulnerability Details CVEID:CVE-2026-71290 DESCRIPTION: Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer...

Security Bulletin: Denial of Service Security Vulnerability in Apache HttpComponents Core affects IBM Sterling B2B Integrator and IBM Sterling File Gateway (CVE-2026-54428)

Summary IBM Sterling B2B Integrator and IBM Sterling File Gateway have addressed the security vulnerability Vulnerability Details CVEID:CVE-2026-54428 DESCRIPTION: Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5.4.2 and earlier,...

CLSA-2026-1789474443 TuxCare security update for org.apache.httpcomponents.client5 (1 CVE)

TuxCare rebuilt 6 org.apache.httpcomponents.client5 packages to address 1 CVE. Fixed in 5.0.3-tuxcare.1...

CLSA-2026-1789467085 TuxCare security update for org.apache.httpcomponents.core5 (1 CVE)

TuxCare rebuilt 5 org.apache.httpcomponents.core5 packages to address 1 CVE. Fixed in 5.1.3-tuxcare.1...

Improper Certificate Validation

Apache HttpComponents Client is vulnerable to Improper Certificate Validation. The vulnerability is due to the HostnameVerificationPolicyBUILTIN setting being ineffective in the asynchronous HttpClient, which allows an attacker capable of intercepting and modifying traffic to impersonate the...

CLEANSTART-2026-OB74177 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

Multiple security vulnerabilities affect the spring-boot package. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

CLEANSTART-2026-EC45528 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

Multiple security vulnerabilities affect the apache-nifi package. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

Security Bulletin: Vulnerabilities exists in IBM Netezza Software

Summary Vulnerabilities identified in IBM Netezza Software have been addressed in version 11.3.1.4. Vulnerability Details CVEID:CVE-2025-14920 DESCRIPTION: Hugging Face Transformers Perceiver Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows...

CLSA-2026-1788763778 TuxCare security update for org.apache.httpcomponents.core5 (2 CVEs)

TuxCare rebuilt 5 org.apache.httpcomponents.core5 packages to address 2 CVEs. Fixed in 5.2.5-tuxcare.1...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Server impersonation via improper TLS hostname verification

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...

Important: Red Hat Security Advisory: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 update is now available (RHBQ 3.33.3.SP1)

An update for Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 update is now available RHBQ 3.33.3.SP1.The purpose of this text-only errata is to inform you about the enhancements that improve your developer experience and ensure the security and stability of your products.Red Hat Product...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Denial of Service due to connection leak

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

CVE-2026-64607

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

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...

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...