update
critical
#29470
Update dependency org.apache.httpcomponents.client5:httpclient5 to v5.6.3 [SECURITY]
This PR contains the following updates:
| Package | Type | Update | Change |
| --- | --- | --- | --- |
| org.apache.httpcomponents.client5:httpclient5 (source) | compile | patch | 5.6.2 → 5.6.3 |
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⚠️ Warning
Some dependencies could not be looked up. Check the warning logs for more information.
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Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS
CVE-2026-64607 / GHSA-hjcp-jmpx-g3qm
Details
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 async i/o model.
This issue affects Apache HttpComponents Client: from 5.0-alpha1 through 5.6.2.
Severity
- CVSS Score: 5.3 / 10 (Medium)
- Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-64607
- https://github.com/apache/httpcomponents-client/commit/55733f4121f7ba26ddf04fe12739d9c15962cb94
- https://github.com/apache/httpcomponents-client/commit/ebac9512f555c4a355cad3f59ef2db69b597cc97
- https://github.com/apache/httpcomponents-client
- https://github.com/apache/httpcomponents-client/releases/tag/rel/v5.6.3
- https://github.com/apache/httpcomponents-client/releases/tag/rel/v5.7-alpha1
- https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q
- http://www.openwall.com/lists/oss-security/2026/08/13/5
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
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