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.
- Score
- CVSS 4.0 6.3 Medium
- Status
- Modified - security@php.net
- Published
- 2025-03-30
- Last modified
- 2025-11-03
- Weaknesses
- CWE-20
Affected products
References
- https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
- https://lists.debian.org/debian-lts-announce/2025/03/msg00014.html
- https://security.netapp.com/advisory/ntap-20250523-0009/
