CLEANSTART-2026-RC74250 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 va...

CVE-2026-64607 affects multiple packages. 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. See references for individual...

CLSA-2026-1792570553 dovecot: Fix of 7 CVEs

CVE-2026-27852: bound the transient RFC 2231 parameter list and the MIME parameter budget so a single oversized Content-Type header cannot exhaust imap memory - CVE-2026-33263: track SMTP server connection closure so submission-login does not keep using a closed connection - CVE-2026-33605: fix...

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...

RHLW-2026-8118B2499151DE91 Lightwell Security Advisory: httpclient5 5.6.1.rhlw-00012

Red Hat Lightwell has released org.apache.httpcomponents.client5:httpclient5 5.6.1.rhlw-00012 with a backported security fix. CVE-2026-64607: Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS This patched artifact is a drop-in replacement...

RHLW-2026-2A7B95611000D6B5 Lightwell Security Advisory: httpclient5 5.6.0.rhlw-00001

Red Hat Lightwell has released org.apache.httpcomponents.client5:httpclient5 5.6.0.rhlw-00001 with backported fixes for CVE-2026-40542 and CVE-2026-64607. CVE-2026-40542: Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper...

CLEANSTART-2026-XL17660 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 va...

Security vulnerability affects the apache-nifi package. 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...

PT-2026-117911

Security vulnerability affects the apache-nifi package. 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...

CLEANSTART-2026-FO83563 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 va...

Security vulnerability affects the wso2am package. 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...

RHLW-2026-32DE0F514C232FF5 Lightwell Security Advisory: httpclient5 5.6.2.rhlw-00005

Red Hat Lightwell has released org.apache.httpcomponents.client5:httpclient5 5.6.2.rhlw-00005 with backported fixes for CVE-2026-64607 and CVE-2026-71290. CVE-2026-64607: Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS CVE-2026-71290:...

CLEANSTART-2026-LH05062 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 va...

Security vulnerability affects the sonarqube package. 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...

PT-2026-106501

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.10-1.1 Description A memory leak occurs in the SMB client when an RDMA connection is established via smbd get connection but cifs get tcp session subsequently fails, such as when kthread create returns an...

CLEANSTART-2026-EK15836 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 va...

Security vulnerability affects the apache-nifi package. 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...

CLEANSTART-2026-SO94492 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 va...

CVE-2026-64607 affects multiple packages. 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. See references for individual...

Security Bulletin: Multiple Security Vulnerabilities in Apache HttpComponents Client affect IBM Content Navigator

Summary Apache HttpComponents Client is affected by two vulnerabilities CVSS up to 9.1, Critical. CVE-2026-71290 CVSS 9.1 is an improper TLS hostname verification flaw in the async HttpClient versions 5.4 and later where HostnameVerificationPolicyBUILTIN has no effect, allowing a network attacker...

SUSE CVE-2026-98162

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...

DEBIAN-CVE-2026-98162

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...

UBUNTU-CVE-2026-98162

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...

CVE-2026-98162

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...

CVE-2026-98162 smb/server: fix tree connection leak in smb2_tree_connect()

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...

EUVD-2026-87062

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2treeconnect See the procedure below: smb2treeconnect ksmbdtreeconnconnect xastore&sess-treeconns, treeconn-id, treeconn ksmbdcounterincKSMBDCOUNTERTREECONNS ksmbdsharetreeconnincsc...