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CVE-2025-1734

Streams HTTP wrapper does not fail for headers with invalid name and no colon

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 8.1.32, 8.2.28, 8.3.19, 8.4.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • PHP Group PHP

    fixed in 8.1.32; fixed in 8.2.28; fixed in 8.3.19; fixed in 8.4.5

References 1

GitHub · php/php-src