Security Advisory

CVE-2025-1734

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-03-30 05:43:35

Last updated 2025-11-03 20:57:09

Assigner php

State PUBLISHED

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 receiving headers from HTTP server, the headers missing a colon (:) are treated as valid headers even though they are not. This may confuse applications into accepting invalid headers.

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