CVE-2024-2757

7.5 HIGH
Published: April 29, 2024 Modified: November 04, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
Source: security@php.net
Exploit Vendor Advisory
https://security.netapp.com/advisory/ntap-20240510-0011/
Source: security@php.net
Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/04/12/11
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
https://security.netapp.com/advisory/ntap-20240510-0011/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

php