Back to search
CVE-2025-1734
Published: Mar 30, 2025
Modified: Nov 3, 2025
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
PHP Group | PHP | affected 8.1.* - < 8.1.32affected 8.2.* - < 8.2.28affected 8.3.* - < 8.3.19affected 8.4.* - < 8.4.5 |
Weaknesses (CWE)
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now