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.

References

Affected packages

Git / github.com/php/php-src

Affected ranges

Type

GIT

Repo

https://github.com/php/php-src

Events

Introduced

381ba9f5d0edd0c9c8ec1dea7e21d513ad08b115

Fixed

aa4bed90d8927de8c2648ea5f3f4a32c56301b71

Introduced

70ee6c20ad97e02c2b8098aeea96fefbbc3ac5c2

Fixed

997ec633e4d024e50315e722c89733f77a2248f8

Introduced

d26068059e83fe40de3430a512471d194119bee0

Fixed

fdeadcd9ba0627cf1967220489ab6caa031e4034

Introduced

b437f2b32eb364c9496d24abcc734272e5c9c980

Fixed

23e05bdcf23319f4922513a91bb0d5e3925d5249

Database specific

{
    "versions": [
        {
            "introduced": "8.1.0"
        },
        {
            "fixed": "8.1.32"
        },
        {
            "introduced": "8.2.0"
        },
        {
            "fixed": "8.2.28"
        },
        {
            "introduced": "8.3.0"
        },
        {
            "fixed": "8.3.19"
        },
        {
            "introduced": "8.4.0"
        },
        {
            "fixed": "8.4.5"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-1734.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9"
            }
        ]
    }
]