CVE-2026-54399
1 advisory.
Maven/org.apache.httpcomponents.core5:httpcore5 CVE-2026-54399: high 7.5
Apache HttpComponents Core HTTP/1 header parsing can cause memory-exhaustion denial of service
Action: Upgrade org.apache.httpcomponents.core5:httpcore5 to the fixed version for your line (see fixed_versions).
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.4.3 | - |
| 5.5-alpha1 | 5.5-beta2 | - |
Fixed versions
| 5.4.3 | 5.5-beta2 |
Sources
- osv: GHSA-hf6x-8p5f-cgmf
- https://nvd.nist.gov/vuln/detail/CVE-2026-54399
- https://github.com/apache/httpcomponents-core/commit/d96a00fec9b2e19f8005e35681df5f6cd6e21a9e
- https://github.com/apache/httpcomponents-core/commit/fdc53a32fe0fccf098cc67e71cd125e447c759ed
- https://github.com/apache/httpcomponents-core
- https://lists.apache.org/thread/zmxh1pl2zohov5ntdh4lt85gfrlchgpy
- http://www.openwall.com/lists/oss-security/2026/07/01/4
CVE-2026-54399 · published · modified · JSON