CVE-2024-2757

April 29, 2024, 12:42 p.m.

7.5
High

Description

In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function. 

Product(s) Impacted

Product Versions
PHP
  • 8.3.0 - 8.3.4

Weaknesses

References

https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq

Tags

CVSS Score

7.5 / 10

CVSS Data

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH
    • View Vector String

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Date

  • Published: April 29, 2024, 4:15 a.m.
  • Last Modified: April 29, 2024, 12:42 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@php.net

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.