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CVE-2025-1861

Stream HTTP wrapper truncates redirect location to 1024 bytes

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: yes
  • 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 parsing HTTP redirect in the response to an HTTP request, there is currently limit on the location value size caused by limited size of the location buffer to 1024. However as per RFC9110, the limit is recommended to be 8000. This may lead to incorrect URL truncation and redirecting to a wrong location.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · 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