CVE-2025-1217
php: Header parser of http stream wrapper does not handle folded headers
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 29, 2025
Updated · June 30, 2026
Description
A flaw was found in PHP. This vulnerability allows misinterpretation of HTTP response headers, potentially leading to incorrect usage of headers, MIME types, and other response attributes via incorrect parsing of folded headers in the HTTP request module.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-20 · Improper Input Validation