SB2026082685 - Resource exhaustion in Red Hat OpenShift Container Platform 4.19 packages
Published: August 26, 2026
Security Bulletin ID
SB2026082685
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-2026-39820)
CWE-ID: CWE-400 - Resource exhaustion
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 uncontrolled resource consumption in net/mail address and date parsing functions when parsing well-crafted input. A remote attacker can send specially crafted input to cause a denial of service.
Remediation
Install update from vendor's website.