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High 7.3 CVSS 3.1 PHP Published on 2025-03-30

In PHP from 8.1. before 8.1.32, from 8.2.

CVECVE-2025-1736 GHSANo GHSA advisory
View at the source View JSON Last modified at the source: 2026-06-17

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 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.

Original text by NVD (NIST), public domain.

CVSS metrics 3.1

Source: security@php.net · secondary
High 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vectorNetwork
ComplexityHigh
Attack requirementsPresent
Privileges requiredNone
User interactionNone
Confidentiality (system)Low
Integrity (system)None
Availability (system)None
Confidentiality (others)None
Integrity (others)None
Availability (others)None

References

Found a vulnerability?

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Does your server run PHP 8.1.x ≥ 8.1.0 < 8.1.32, 8.2.x ≥ 8.2.0 < 8.2.28, 8.3.x ≥ 8.3.0 < 8.3.19, 8.4.x ≥ 8.4.0 < 8.4.5?

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