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Magento vulnerable to denial of service

High severity GitHub Reviewed Published Aug 12, 2025 to the GitHub Advisory Database • Updated Oct 21, 2025

Package

composer magento/community-edition (Composer)

Affected versions

>= 2.4.9-alpha1, < 2.4.9-alpha2
>= 2.4.8-beta1, < 2.4.8-p2
>= 2.4.7-beta1, < 2.4.7-p7
>= 2.4.6-p1, < 2.4.6-p12
< 2.4.5-p14
= 2.4.5
= 2.4.6
= 2.4.7
= 2.4.8

Patched versions

2.4.9-alpha2
2.4.8-p2
2.4.7-p7
2.4.6-p12
2.4.5-p14
composer magento/project-community-edition (Composer)
<= 2.0.2
None

Description

Magento versions 2.4.9-alpha1, 2.4.8-p1, 2.4.7-p6, 2.4.6-p11, 2.4.5-p13, 2.4.4-p14 and earlier are affected by an Improper Input Validation vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability by providing specially crafted input, causing the application to crash or become unresponsive. Exploitation of this issue does not require user interaction.

References

Published by the National Vulnerability Database Aug 12, 2025
Published to the GitHub Advisory Database Aug 12, 2025
Reviewed Oct 21, 2025
Last updated Oct 21, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(48th percentile)

Weaknesses

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2025-49554

GHSA ID

GHSA-xgfm-992v-h2hr

Source code

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