SB20260824161 - Missing Release of Resource after Effective Lifetime in Apache HttpComponents Client



SB20260824161 - Missing Release of Resource after Effective Lifetime in Apache HttpComponents Client

Published: August 24, 2026

Security Bulletin ID SB20260824161
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-64607)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper resource management in the classic i/o model HttpClient connection handling when processing a response with an invalid or unsupported content-encoding header value. A remote attacker can send a response with an invalid or unsupported content-encoding header value to cause a denial of service.

Only the classic i/o model is affected; the async i/o model is not affected.


Remediation

Install update from vendor's website.