CVE-2024-2757

HIGH

PHP 8.3.0-8.3.4 - Denial of Service via mb_encode_mimeheader Function

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 70.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
php/php 8.3.0 - 8.3.5
Published Apr 29, 2024
Tracked Since Feb 18, 2026