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CVE-2024-2757
Published: Apr 29, 2024
Modified: Nov 4, 2025
PUBLISHED
CVSS v3.1
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.
| Vendor | Product | Versions |
|---|---|---|
PHP Group | PHP | affected 8.3.* - < 8.3.5 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
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