High severity · published Mar 30, 2025
CVE-2025-1736
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 user-supplied headers are sent, the insufficient validation of…
7.3
CVSS
0.6%
EPSS
No
On KEV
Description
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 user-supplied headers are sent, the insufficient validation of the end-of-line characters may prevent certain headers from being sent or lead to certain headers be misinterpreted.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
8.1.0 before 8.1.32; 8.2.0 before 8.2.28; 8.3.0 before 8.3.19; 8.4.0 before 8.4.5 · source: NVD
ON
Ontap · Netapp
9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-1736
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-1736
Vendor Advisory
https://github.com/php/php-src/security/advisories/GHSA-hgf5-96fm-v528
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/03/msg00014.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20250523-0006/
More from PHP
9.8
CVE-2026-109618
RCE via OOM corruption
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
9.8
CVE-2012-1823
PHP-CGI Query String Parameter Vulnerability