CVE-2026-64607
1 advisory.
Maven/org.apache.httpcomponents.client5:httpclient5 CVE-2026-64607: medium 5.3
Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS
Action: Upgrade org.apache.httpcomponents.client5:httpclient5 to 5.6.3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.0-alpha1 | 5.6.3 | - |
Fixed versions
| 5.6.3 |
Sources
- osv: GHSA-hjcp-jmpx-g3qm
- 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
CVE-2026-64607 · published · modified · JSON