Improper input validation in Php

CVE-2025-1217

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 http request module parses HTTP response obtained from a server, folded headers are parsed incorrectly, which may lead to misinterpreting the response and using incorrect headers, MIME types, etc.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-1217?
CVE-2025-1217 is a low-severity vulnerability in Php, classified under Improper Input Validation. CVSS score: 3.1/10. Published 2025-03-29.
How severe is CVE-2025-1217?
Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-1217 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.