CVE-2025-1734

mediumpriority · track · 21EPSS 0.005 · 43 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.50% (43rd) EPSS
CVSS 5.3 · medium
Is it mine?
50 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedapcu-panel-0:5.1.18-1.module+el8.10.0+22485+a3539972.noarch::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedlibzip-0:1.6.1-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedlibzip-devel-0:1.6.1-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedlibzip-tools-0:1.6.1-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-bcmath-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-cli-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-common-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-dba-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-dbg-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-devel-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-embedded-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-enchant-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-ffi-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-fpm-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-gd-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-gmp-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-intl-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-json-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-ldap-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-mbstring-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-mysqlnd-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-odbc-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-opcache-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pdo-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pear-1:1.10.13-1.module+el8.10.0+22485+a3539972.noarch::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pecl-apcu-0:5.1.18-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pecl-apcu-devel-0:5.1.18-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pecl-rrd-0:2.0.1-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pecl-xdebug-0:2.9.5-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pecl-zip-0:1.18.2-1.module+el8.10.0+22485+a3539972.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-pgsql-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-process-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-snmp-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-soap-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-xml-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedphp-xmlrpc-0:7.4.33-3.module+el8.10.0+23902+d3c8dd8f.x86_64::php:7.4 as component of SUSE Liberty Linux 8suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

02

cvss

Technical severity, 0–10. One row per scoring source.

6.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–6.3

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4
v3.14.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · SUSE Product Security
v4.06.3mediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.06.3mediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security@php.net
v4.01.7lowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (50)

Products and version ranges known to be affected.

showing 20 of 50
06

advisories (5)

Vendor and ecosystem advisories describing this.

  • RHSA-2026:2470security update for libzip2026-02-10csaf · suse_csafDE

    security update for libzip

  • WID-SEC-W-2025-0566PHP: Mehrere SchwachstellenDeutsch2025-03-13csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in PHP ausnutzen, um Daten zu manipulieren, beliebigen Code auszuführen, vertrauliche Informationen preiszugeben, einen Denial of Service Zustand herbeizuführen oder andere nicht näher spezifizierte Auswirkungen zu verursachen.

  • BIT-libphp-2025-1734Streams HTTP wrapper does not fail for headers with invalid name and no colon2025-08-11vendor · osvUS

    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.

  • BIT-php-2025-1734Streams HTTP wrapper does not fail for headers with invalid name and no colon2025-04-14vendor · osvUS

    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.

  • BIT-php-min-2025-1734Streams HTTP wrapper does not fail for headers with invalid name and no colon2025-04-14vendor · osvUS

    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.

07

also known as (10)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan