SB2026091123 - Allocation of Resources Without Limits or Throttling in Vert.x
Published: September 11, 2026
Security Bulletin ID
SB2026091123
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-6860)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
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 allocation of resources without limits or throttling in the server-side SNI SslContext cache when handling TLS connections with server name indication. A remote attacker can send TLS connections with distinct server name indications to cause a denial of service.
Remediation
Install update from vendor's website.