Vulnerability in Phpseclib

CVE-2023-49316

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

EPSS: 0.008 (51.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Phpseclib
N/a — versions n/a

Weakness classification (CWE)

CWE-834 — Excessive Iteration

References

cve@mitre.org (Patch)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2023-49316?: CVE-2023-49316 is a high-severity vulnerability in Phpseclib, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2023-11-27.
How severe is CVE-2023-49316?: High severity. CVSS v3 base score is 7.5 out of 10.