UBUNTU-CVE-2024-2757

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2024-2757
Published: 29 Apr 2024, 04:15
Last modified:22 Apr 2026, 14:49

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Apr 2024, 04:15
Published
Vulnerability first disclosed
22 Apr 2026, 14:49
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

Affected Systems

  • ubuntu•php8.3

    < 8.3.6-0maysync1

References (3)