UpHeron
All vulnerabilities

Servers and applications

CVE-2025-1734

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.

Severity
Medium 6.3
Published
30 Mar 2025
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
8.1.32, 8.2.28, 8.3.19, 8.4.5
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • From 8.1.0 before 8.1.32
  • From 8.2.0 before 8.2.28
  • From 8.3.0 before 8.3.19
  • From 8.4.0 before 8.4.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-1734
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-1734