CVE-2024-2757

Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 29 Apr 2024, 03:49
Last modified:04 Nov 2025, 17:18

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.63% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

29 Apr 2024, 03:49
Published
Vulnerability first disclosed
04 Nov 2025, 17:18
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.63%• Percentile: 71%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

  • Unknown•PHP

    ≥ 8.3.*, < 8.3.5

  • Unknown•PHP

    ≥ 8.3.0, < 8.3.5

References (4)