SB2026052550 - Resource exhaustion in ws
Published: May 25, 2026
Security Bulletin ID
SB2026052550
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) Resource exhaustion (CVE-ID: CVE-2026-48779)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 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/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the WebSocket message handling logic when processing a high volume of exceptionally small fragments and data chunks. A remote attacker can send a large number of tiny fragmented messages to cause a denial of service.
The issue can lead to process termination due to out-of-memory conditions.
Remediation
Install update from vendor's website.