CVE-2023-49316

HIGH EPSS 50.5%
Published Nov 27, 20232y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 27, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
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

Threat Intelligence

EPSS Exploit Probability
50.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-834

Affected Products 1

VendorProductVersionRange
phpseclibphpseclib*≥3.0.0  –  <3.0.34

References 2

  • github.com https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f
    Patch
  • github.com https://github.com/phpseclib/phpseclib/releases/tag/3.0.34
    Release Notes

Remediation

  • github.com https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f
    Patch