SB20260720386 - Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.20
Published: July 20, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-35469)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to SPDY/3 frame parser does not validate attacker-controlled counts and lengths before allocating memory. A remote user can trigger resource exhaustion and perform a denial of service (DoS) attack.
2) Command Injection (CVE-ID: CVE-2026-9277)
CWE-ID: CWE-77 - Command injection
CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary commands on the system.
The vulnerability exists due to shell-quote's `quote()` function did not validate object-token inputs against the operator model used by `parse()`.. A remote attacker can pass specially crafted data to the application and execute arbitrary commands.
Remediation
Install update from vendor's website.