VULNERABILITY INTELLIGENCE

CVE-2024-27354

CVSS score7.5 HIGH
EPSS probability0.60%
CISA KEVNot currently listed
Published2024-03-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-400

Primary references