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Vulnerability details: VCID-muka-dudd-8qe9
Vulnerability ID VCID-muka-dudd-8qe9
Aliases CVE-2025-1734
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.7
Risk 2.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1734.json
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00127 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00136 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2025-1734
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv4 6.3 https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
ssvc Track https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1734.json
https://api.first.org/data/v1/epss?cve=CVE-2025-1734
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-1734
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
https://security.netapp.com/advisory/ntap-20250523-0009/
2356042 https://bugzilla.redhat.com/show_bug.cgi?id=2356042
CVE-2025-1734 https://nvd.nist.gov/vuln/detail/CVE-2025-1734
RHSA-2025:4263 https://access.redhat.com/errata/RHSA-2025:4263
RHSA-2025:7418 https://access.redhat.com/errata/RHSA-2025:7418
RHSA-2025:7431 https://access.redhat.com/errata/RHSA-2025:7431
RHSA-2025:7432 https://access.redhat.com/errata/RHSA-2025:7432
RHSA-2025:7489 https://access.redhat.com/errata/RHSA-2025:7489
USN-7400-1 https://usn.ubuntu.com/7400-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1734.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-31T14:21:51Z/ Found at https://github.com/php/php-src/security/advisories/GHSA-pcmh-g36c-qc44
Exploit Prediction Scoring System (EPSS)
Percentile 0.28852
EPSS Score 0.00127
Published At March 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-03-28T07:35:59.011016+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 36.0.0