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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2025-1736

MEDIUM 6.3 CVSS 4.0
Published
March 30, 2025
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@php.net
Weakness
CWE-20
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Affected products and versions

  • PHP — From 8.1.0 (including) to 8.1.32 (excluding)
  • PHP — From 8.2.0 (including) to 8.2.28 (excluding)
  • PHP — From 8.3.0 (including) to 8.3.19 (excluding)
  • PHP — From 8.4.0 (including) to 8.4.5 (excluding)

References

  • github.com https://github.com/php/php-src/security/advisories/GHSA-hgf5-96fm-v528 Vendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00014.html
  • security.netapp.com https://security.netapp.com/advisory/ntap-20250523-0006/ Third Party Advisory
  • nvd.nist.gov Official NVD record