PHP Header Injection via Insufficient EOL Validation (<=8.1.32, <=8.2.28, <=8.3.19, <=8.4.5)
CVE-2025-1736 Published on March 30, 2025
Stream HTTP wrapper header check might omit basic auth header
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 user-supplied headers are sent, the insufficient validation of the end-of-line characters may prevent certain headers from being sent or lead to certain headers be misinterpreted.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2025-1736
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Affected Versions
PHP Group PHP:- Version 8.1.* and below 8.1.32 is affected.
- Version 8.2.* and below 8.2.28 is affected.
- Version 8.3.* and below 8.3.19 is affected.
- Version 8.4.* and below 8.4.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.