CVE-2026-64607
A remote, anonymous attacker can exploit a vulnerability in Apache HttpComponents to conduct a denial of service attack.
CSIRTS triage
- What
- A vulnerability in Apache HttpComponents allows remote anonymous attackers to conduct denial of service attacks.
- Who is affected
- All HTTP clients using affected HttpComponents versions are vulnerable to remote DoS.
- Urgency
- Medium severity; remote denial of service is exploitable by anonymous attackers.
- Action
- Update Apache HttpComponents to the patched version addressing CVE-2026-64607.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Advisory coverage (4)
- medium[NEW] [medium] Apache HttpComponents: Vulnerability enables denial of servicecert-bund · 2026-08-24
- medium[NEW] [medium] RealObjects PDFreactor: Multiple vulnerabilities enable unspecified attackcert-bund · 2026-08-17
- mediumGHSA-hjcp-jmpx-g3qm: Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to P…ghsa · 2026-07-31
- mediumCVE-2026-64607: HttpClient based on the classic i/o model fails to correctly release the underlying connection…nvd · 2026-07-31
External references
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