Description
In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when receiving headers from HTTP server, the headers missing a colon (:) are treated as valid headers even though they are not. This may confuse applications into accepting invalid headers.
Remediation
References
Related Vulnerabilities
Craft CMS Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2024-56145)
WeBid Authorization Bypass Through User-Controlled Key Vulnerability (CVE-2024-32166)
WordPress Plugin WP-Filebase Download Manager Remote Code Execution (0.3.0.03)